- #1 270 | Two Seventy US Election
97% matchMostly Positive76% of 1,095 reviews2018
Dev: Political Games LLC
Windows · Mac
Median: 2.0 hrsMean: 8.3 hrs≥1hr: 68%
Do you have what it takes to become President of the United States? Can you win the Two Seventy (270) Electoral Votes needed for victory in the US Election?
Why similar: Politics 36.7% ★, Political 34.3% ★, Strategy 28.9%
- #2 revvver
96% match2 user reviews100% of 2 reviews2023
Dev: Naparil
Windows
Create a path by reversing the desired area.
Why similar: Puzzle Platformer 33.5%, 2D Platformer 23.8%, Strategy 19%, Puzzle 10.9%, Platformer 8.3%
- #3 Warped Continuity
96% match2 user reviews50% of 2 reviews2024
Dev: Xufactor
Windows
The game incorporates the mechanics of the famous "slider" puzzle. The character is on one screen, and the player must move the screens around and move the character from screen to screen to get to the door.
Why similar: Strategy 26.9%, Puzzle Platformer 26.3%, 2D Platformer 19.6%, Puzzle 11.7%, Platformer 10.6%
- #4 Mazzy
95% matchPositive81% of 21 reviews2025
Dev: YLGamesPub: Shepherd Games
Windows
Mazzy is a pixel-style casual puzzle game built around the core concept of rotating the level. Rotate the level, collect the items, and reshape the maze to reach the goal. Simple and fun.
Why similar: Puzzle Platformer 29.2%, Strategy 23.5%, 2D Platformer 16.8%, RPG 11%, Puzzle 7.1%
- #5 Kolkhoz: The Red Wedge
94% matchMixed61% of 23 reviews2018
Dev: Umigame Studios
Windows
Kolkhoz: The Red Wedge is inviting players to be a small part of an adventure in the beginning of the Soviet Union era. Gleb was sent to a village to make all villagers to give up all their property used for agricultural cultivation, and collectively carry out their agricultural labor.
Why similar: Political 30.3% ★, Politics 30.1% ★, Puzzle Platformer 16.3%, Puzzle 6.6%, Platformer 5.5%
- #6 Ball Drop
94% matchMostly Positive75% of 24 reviews2023
Dev: Puffin Forest
Windows
Ball Drop is a puzzle platformer game. The ball rolls down using gravity and you must use the mouse to move platforms to guide the ball to the goal line. The objects in the game rotate following the mouse and you can use them to solve puzzles and navigate around hazards.
Why similar: 2D Platformer 28%, Puzzle Platformer 27.8%, Strategy 22.3%, Puzzle 7.4%, Platformer 6.6%
- #7 The Zamazingo
93% match9 user reviews100% of 9 reviews2025
Dev: yusuf vuran
Windows · Mac
A dark, atmospheric, puzzle-filled indie adventure platformer. It is black and white. Discover secrets hidden around you and try to survive in this limbo.
Why similar: Puzzle Platformer 34.7%, 2D Platformer 32.7%, Puzzle 13.1%, Platformer 10.1%, 2D 4.4%
- #8 Ayni Fairyland
92% matchPositive86% of 22 reviews2019
Dev: sunspotgamePub: CapPlay Interactive Inc.
Windows · Mac
Adventure in the fantasy world
Why similar: Puzzle Platformer 17.8%, 2D Platformer 15.6%, Strategy 13.9%, RPG 11.7%, Strategy RPG 11.7%
- #9 KraDawn
91% matchNo user reviews
Dev: JianDanStudio
Windows
A 2D narrative puzzle adventure focused on observation and optical illusions. "What you see depends on how you think." In this vintage pop-art world, there is no hand-holding or combat. As your understanding changes, impossible paths will reshape before your eyes. Curiosity is your only guide.
Why similar: Puzzle Platformer 28.3%, Strategy 28.1%, 2D Platformer 25.3%, Puzzle 13.6%, 2D 4.2%
- #10 Empire of Devil
91% matchNo user reviews
Dev: True Seria
Windows
The civil war rages across the kingdom and the players in the battle for the throne use every possible means in their pursuit to rule the land. A warrior enters in the game who builds his army to besiege settlements, and fight battles. Will his choices make him a Hero or a Devil feared by everyone?
Why similar: Political 24.1% ★, Politics 23.9% ★, Strategy 20.4%, RPG 14.5%, Military 12.3%
- #11 Pointdexter
90% match3 user reviews100% of 3 reviews2025
Dev: Usu Games
Windows
Tiles will copy your moves. Use pencils to draw bridges and get to the next page!
Why similar: Puzzle Platformer 35.2%, 2D Platformer 33.3%, Puzzle 13.3%, Platformer 10.2%, 2D 4.4%
- #12 外卖李水
89% matchNo user reviews
Dev: a ChangfenPub: a ChangFen
Windows
This is a modern 2D pixel style casual decryption game with very simple game controls. Players can collect props, use them in reasonable situations, and unlock the plot Every time the plot is unlocked, there may be some changes in the game's scenes, and players can explore the plot again
Why similar: Strategy 23.5%, Puzzle Platformer 19.5%, 2D Platformer 17.3%, Strategy RPG 16.5%, Puzzle 10.5%
- #13 LenscraftCube 相机方块
89% matchNo user reviews
Dev: StellarDreamerL
Windows
LenscraftCube is a 2D platform puzzle game where players take on the role of a cube that must navigate through levels while being constrained by the boundaries of other camera cubes.
Why similar: Puzzle Platformer 35.3%, 2D Platformer 33.3%, Puzzle 13.3%, Platformer 10.2%, 2D 4.4%
- #14 Ball Drop
86% matchPositive82% of 11 reviews2025
Dev: Urban Isotope
Windows · Mac
Get the ball to the end zone safely. Without exploding!
Why similar: Strategy 26%, 2D Platformer 22%, Puzzle Platformer 21.7%, Puzzle 16%, Platformer 10.8%
- #15 Penelope
88% match1 user reviews0% of 1 reviews2020
Dev: Emanation
Windows
Navigate and manipulate your dreams in this challenging puzzle. Rescue all of Penelope's stuffed animal friends before you run out of warm milk. Can you outwit the dastardly Emily Watterson and get back the toy she stole from you?
Why similar: Puzzle Platformer 38.7%, 2D Platformer 29.2%, Puzzle 18.8%, Platformer 11%, Indie 1.6%
- #16 Gordianaut
87% matchMostly Positive76% of 25 reviews2022
Dev: Jack Lance
Windows
A very short puzzle platformer set on an alien planet centered around a moving-platform mechanic.
Why similar: Puzzle Platformer 38.8%, 2D Platformer 24.3%, Puzzle 18.3%, Platformer 12.2%, 2D 3.8%
- #17 Hail Britannia
86% matchMostly Positive71% of 21 reviews2024
Dev: Ethan Porcina
Windows
Hail Britannia is a text-based game with lite RPG elements set in an alternate 1944 where the Central Powers won World War 1.
Why similar: Political 40.3% ★, Politics 33.3% ★, Military 18.8%, 2D 4.1%, Adventure 2.2%
- #18 Tricky Castle
85% matchNo user reviews
Dev: Team Tricky
Windows
Tricky Castle is a 2d puzzle-platformer with mind-bending, out-of-the-box puzzles. Use creative thinking to solve unconventional challenges and escape a castle full of devious traps.
Why similar: Puzzle Platformer 39.5%, 2D Platformer 28.3%, Puzzle 14.5%, Platformer 11.2%, 2D 2.6%
- #19 Origins of Merlin: Muscles and Magic
84% matchNo user reviews
Dev: Catcomb StudioPub: Reef Entertainment
Windows
A puzzle platformer set in the days of yore, when King Arthur was just a boy. Play as a young Merlin on a quest to climb up a treacherous tower to reach Excalibur, the legendary sword on the top floor, and save the kingdom!
Why similar: Puzzle Platformer 40.4%, 2D Platformer 38.8%, Platformer 12.6%, 2D 5.5%, Indie 1.7%
- #20 Spider Caro
83% match6 user reviews83% of 6 reviews2024
Dev: undownsidable
Windows
"Spider Carlo" is a thrilling 2D platform strategy game. Navigate obstacles and traps as an experimental spider, escape the lab, and explore the perilous human world. Uncover mysteries, crafting your legend with wit and bravery.
Why similar: 2D Platformer 28.2%, Puzzle Platformer 24.6%, Strategy 20.2%, RPG 11.9%, 2D 4.9%
- #21 Split Souls
82% match3 user reviews100% of 3 reviews2024
Dev: Warlock Games
Windows
The Player's soul has been split into 2 and it's the job of the player to get the souls back together.
Why similar: Puzzle Platformer 30.8%, 2D Platformer 27.9%, Puzzle 15.2%, Platformer 13.7%, Adventure 6.2%
- #22 Carminia
84% matchNo user reviews2021
Dev: Karpopper
Windows
A 2d puzzle game with different mechanics for each world. Swap minds with enemies, destroy terrain with explosions, create clones and summon gusts of wind to solve puzzles.
Why similar: Puzzle Platformer 32.5%, 2D Platformer 29.2%, Puzzle 15.3%, Platformer 13.8%, 2D 4.1%
- #23 Bob the Elementalist
82% match1 user reviews0% of 1 reviews2023
Dev: 9RatonesPub: Ratalaika Games S.L.
Windows · Linux
The magical power of the elements is our last hope for survival! Master the four elements if you want to survive.
Why similar: Puzzle Platformer 34.3%, 2D Platformer 32.1%, Puzzle 13%, Platformer 10.1%, 2D 4.4%
- #24 USB-BOT
80% matchPositive100% of 11 reviews2025
Dev: King Kelpo
Windows
Embark on an electrifying 2D platform puzzle adventure in USB-BOT, where a small, disconnected USB sets out on a quest to reunite with the device it was once a part of.
Why similar: Puzzle Platformer 35.8%, 2D Platformer 33.6%, Puzzle 12.9%, Platformer 9.6%, Adventure 3.5%
- #25 Find Me
81% matchPositive88% of 17 reviews2020
Dev: Girls Make Games
Windows · Mac
A lost shadow seeks to be reunited with her human girl, while searching for memories and avoiding the dangerous city lights. Find Me is a 2D puzzle platformer set in a beautiful, surreal cityscape.
Why similar: Puzzle Platformer 35.4%, 2D Platformer 33.4%, Platformer 10.9%, Puzzle 8.7%, 2D 4.7%
- #26 Shifter
79% matchPositive92% of 24 reviews2024
Dev: Stolen PortalsPub: DigiPen Institute of Technology
Windows
Explore this strange world using portals to shift between the light and dark dimensions. Navigate the world, transforming it as you progress. Illuminate the void to reveal what has been abandoned in the shadows. And remember, don't linger in the darkness...
Why similar: Puzzle Platformer 34.9%, 2D Platformer 32.8%, Puzzle 13.2%, Platformer 10.5%, 2D 4.4%
- #27 Megalo Polis
81% matchMixed45% of 11 reviews2016
Dev: Black Sheep studio
Windows · Mac
Do you have what it takes to survive the cutthroat competition of the campaign trail and become the next US President? It’s time to rub elbows, oversell your scant promises, and engineer a few scandals―because nobody gets into the White House without getting a little dirty.
Why similar: Political 61.7% ★, Strategy 33.8%, Indie 4.5%
- #28 OMG! – Overhead Micro Game
79% matchNo user reviews2026
Dev: Freddicus Game Studios, LLC
Windows · Mac · Linux
Single-screen puzzle action with lasers, switches, pits, and a troublesome creature. Solve each level at your own pace, or speedrun your way to a shiny new best time.
Why similar: Puzzle Platformer 32.8%, 2D Platformer 30.3%, Strategy 13.6%, Puzzle 12.6%, 1980s 6.1%
- #29 Silence-Dream
78% match2 user reviews100% of 2 reviews2025
Dev: PuzzleIdea
Windows
《Silence Dream》is a indie puzzle game. you could take on the role of musican, change or retain different abilities and take it into difference scence, gradually uncovering the man's past.
Why similar: Puzzle Platformer 35.6%, 2D Platformer 28%, Puzzle 15.7%, Platformer 7.9%, 2D 5%
- #30 Synthetic Hopes
77% matchPositive100% of 16 reviews2025
Dev: Groovy Snail Studios
Windows
Synthetic Hopes is a puzzle game with original and systemic mechanics sparkled with a few platforming action sequences. You are an enslaved android with a shot at freedom in a dystopian cyberpunk setting. Learn the ways of the world and maybe you'll have a chance to break the cycle!
Why similar: Puzzle Platformer 38.1%, 2D Platformer 25.2%, Puzzle 14.3%, Platformer 11.5%, 2D 5.2%
- #31 Wave Leads You...
78% matchNo user reviews2025
Dev: powder
Windows
A simple 2D action puzzle game that conveys waves to lead you to the goal. Make full use of scaffolding blocks that can be shaken like waves to reach the goal.
Why similar: Puzzle Platformer 40.7%, 2D Platformer 29.4%, Puzzle 12.5%, Platformer 7.9%, Action 4.6%
- #32 Ghost Teen Escape from Limbo
77% match3 user reviews67% of 3 reviews2024
Dev: Derik D.FPub: Eastasiasoft Limited
Windows
Make use of your newfound ghostly abilities to make your way back to the world of the living!
Why similar: Puzzle Platformer 36%, 2D Platformer 26.2%, Puzzle 11.3%, Platformer 10.1%, 1980s 7.6%
- #33 Project Nasu
76% matchPositive97% of 31 reviews2023
Dev: Goofy GoosePub: DigiPen Institute of Technology
Windows
A 2D action and puzzle platformer where you play as a lab experiment trying to escape an evil scientist's laboratory. Fire projectiles that propel you backward to evade and fend off threats. Solve puzzles to escape the facility and save Nasu.
Why similar: Puzzle Platformer 34%, 2D Platformer 33.3%, Puzzle 13.6%, Platformer 10.5%, 2D 4.5%
- #34 Mariposa
74% match6 user reviews100% of 6 reviews2025
Dev: Video Game Development Club @ UC San Diego
Windows · Mac
Mariposa is a 2D puzzle-platformer game that harnesses the butterfly effect, shaping the past to change the future. Every interaction with Mariposa, an automatonsmith from a utopian past, will billow out into time itself—and guiding a ghost from a forgotten era might be enough to change your fate.
Why similar: Puzzle Platformer 35%, 2D Platformer 25.5%, RPG 13.7%, Platformer 9.9%, Puzzle 8.1%
- #35 Grayscale
75% matchNo user reviews
Dev: Interspatial Games
Windows
Grayscale is a story driven, 2D puzzle platformer centered around the main character Faela. The game follows her story as she attempts to save her world from its own instability. Take advantage of the bizarre plane swapping physics of their world to change everything around you and progress.
Why similar: Puzzle Platformer 24.1%, 2D Platformer 23.6%, Strategy 18.2%, Puzzle 13.6%, Platformer 10.6%
- #36 Anti-Science Brigade
76% match1 user reviews100% of 1 reviews2021
Dev: Minnow Mango Media
Windows · Mac · Linux
15-year-old Avani is tricked into starting an anti-science mob to pay off her mother's medical debts. Use classic turn-based tactics to convince the town to join your cause. It's silly. It's sad. It's scary. It's the Anti-Science Brigade. 50% of profits go to National Center for Science Education.
Why similar: Political 42.9% ★, Politics 39.8% ★, RPG 13.7%, 2D 2.6%, Indie 0.8%
- #37 Rewoven Self
72% matchPositive94% of 49 reviews2025
Dev: Tang Yuanyuan
Windows · Mac
Rewoven Self is a 2.5D side-scrolling narrative puzzle game where fantasy and reality intertwine. Through folding, cutting, and stitching, you rebuild yourself in a cycle of brokenness and renewal — a gentle yet profound journey of emotional healing.
Why similar: Puzzle Platformer 29.8%, 2D Platformer 27.2%, RPG 14.1%, Puzzle 11.5%, Platformer 8.8%
- #38 Shape of America: Episode One
75% matchVery Positive86% of 50 reviews2018
Dev: kuklam studios
Windows
Shape of America is a story-driven, non-linear, turn-based role-playing game about politics. The story is set the United States in the late 1990s, you are a young man who unwittingly finds himself tied up in all the important economic and political changes of the period.
Why similar: Political 36.6% ★, Politics 36.4% ★, RPG 19.3%, Adventure 4.4%, Indie 3.4%
- #39 WATCH / 透视
73% matchVery Positive86% of 59 reviews2020
Dev: MicractivePub: 电钮组
Windows
This is a platform puzzle game related to our "WATCH" vision.
Why similar: Puzzle Platformer 41.4%, Strategy 17.3%, Puzzle 15.7%, Platformer 13.4%, Drama 3.3%
- #40 Layerworld
73% matchNo user reviews
Dev: BrandKnew.io
Windows · Mac
Solve each level, layer by layer, as the ghosts of your deaths stack up.
Why similar: Strategy 24.3%, 2D Platformer 21.4%, Puzzle Platformer 18.6%, Puzzle 11.6%, Platformer 10.4%
- #41 Timeline Traveler II: Dream
74% match1 user reviews100% of 1 reviews2020
Dev: Mifux Studio
Windows
Timeline Traveler II is a puzzle game that combined time control and platformer element together to provide a new game experience!
Why similar: Puzzle Platformer 23.9%, 2D Platformer 18.2%, Strategy 13.9%, RPG 11.3%, Puzzle 10.9%
- #42 Evil Democracy: 1932
72% matchMostly Positive75% of 471 reviews2020
Dev: Hamsters Gaming
Windows
Median: 4.3 hrsMean: 4.4 hrs≥1hr: 85%
In the unique world of this political simulator, you travel to Europe, 1932-1935, to become the party leader in one of the following countries: Germany, France, or England. You have a real chance to become the winner of WWII even before it begins...
Why similar: Politics 40.1% ★, Political 32% ★, Strategy 24.4%, Indie 3.2%, Singleplayer 0.4%
- #43 Hello World
70% matchVery Positive96% of 57 reviews2024
Dev: Hello World StudioPub: OKJOY
Windows
You have strayed into the world of computer! ? During the exploration, you will have a series of interesting interactions with folders, garbage files, Word documents, PowerPoint documents, Excel documents, anti-virus software, blinking cursors while typing and even binary 0 and 1 in computer!
Why similar: Puzzle Platformer 32.1%, 2D Platformer 26.8%, Puzzle 14%, RPG 9.5%, Platformer 8.9%
- #44 Sovereign's Will
71% matchNo user reviews
Dev: Literal Team
Windows
Sovereign's Will is a turn-based ruler simulator set in the medieval period where each decision you make directly impacts the story. Separate friends from enemies. Accumulate power. Create plans. Make a choice.
Why similar: Politics 38% ★, Political 36.8% ★, Strategy 9.2%, Strategy RPG 7.3%, RPG 6.8%
- #45 Duck Block
71% matchNo user reviews2025
Dev: Watata
Windows
A new type of puzzle 2D platformer! Make the blocks materialize and guide the duck to the goal!
Why similar: Puzzle Platformer 40.2%, 2D Platformer 29%, Puzzle 13.4%, Platformer 10.4%, 2D 3.2%
- #46 Elon Musk Saves Britain
70% match3 user reviews67% of 3 reviews2025
Dev: Julian Henley
Windows
In this 2D platformer, Elon Musk is the superhero on a mission to save the UK from the tyranny of Prime Minister, Keir Starmer, and restore the right of Britons to free speech. As if that wasn't enough, Earth is being invaded by aliens who are hellbent on changing our way of life!
Why similar: Political 37.9% ★, Politics 34.8% ★, 2D Platformer 17.8%, Platformer 7.1%, Action 2.1%
- #47 Olive Smash
70% matchNo user reviews2026
Dev: Mentalling Games
Windows
Experience a fast paced 2D puzzle/platformer where you have to clear an olive jar of its corruption. Navigate your way through a variety of obstacles and challenges using your wits and reflexes. Smash as many olives as you can to save your world from destruction.
Why similar: Puzzle Platformer 27.1%, Strategy 22.4%, 2D Platformer 18.7%, Puzzle 15.6%, Platformer 11.5%
- #48 Gerrymap
68% matchNo user reviews95% of 21 reviews2025
Dev: Gideon Kennedy
Windows
Gerrymap is a puzzle game about gerrymandering. Win congressional seats for your party by drawing districts, using US Census data!
Why similar: Political 44.1% ★, Politics 41.8% ★, Puzzle 8.8%, Strategy 4.9%, Singleplayer 0.3%
- #49 Box to the Box
69% matchPositive100% of 17 reviews2022
Dev: Derin
Windows · Mac · Linux
The box follows after the box after the box after the box after the box after the box after the box after the box after the box after the box after the box after the box after the box after the box after the box.
Why similar: Puzzle Platformer 35.7%, 2D Platformer 33.4%, Puzzle 13.9%, Platformer 10.8%, 2D 4.6%
- #50 Opposite Day 2
69% matchNo user reviews
Dev: John ButlerPub: johnbutlergames
Windows
You shouldn't play Opposite Day 2. It isn't a mindunbending unplatformer game with tons of unhidden secrets and uncollectables. You'll definitely hate it, so please don't subtract this game to your wishlist.
Why similar: Puzzle Platformer 36.3%, 2D Platformer 34.1%, Puzzle 13.8%, Platformer 10.6%, 2D 4.6%
- #51 The Wave Story
69% matchPositive89% of 19 reviews2021
Dev: Z4Z
Windows
A totally mysterious and enigmatic game, can you discover the end of this story?
Why similar: Puzzle Platformer 42.1%, Strategy 24%, Puzzle 14.8%, Platformer 11.5%, 2D 4.6%
- #52 JARED
68% matchNo user reviews
Dev: Mindjar Pub: Midjar
Windows · Linux
Atmospheric puzzle platformer where you are a droid descending into facility. Meet friendly computers along the way and help them reach safety. Find helpful upgrades and unravel the facility's dark mystery.
Why similar: Puzzle Platformer 35.6%, 2D Platformer 33.5%, Puzzle 13.5%, Platformer 10.4%, 2D 3.7%
- #53 Station Zeta
68% match3 user reviews100% of 3 reviews2024
Dev: Porch Weather Games
Windows
Run, jump, shoot, and think your way to safety in this retro-inspired 2D puzzle-platformer. Station Zeta is out of control, and you'll have to deal with crazed robots, terribly designed station machinery, and blatant safety hazards as you try to make your escape across 35 levels.
Why similar: Puzzle Platformer 39.5%, 2D Platformer 28.6%, Puzzle 11.3%, Platformer 10.2%, Action 4.5%
- #54 Homebound
71% matchNo user reviews2021
Dev: Nicholas Angle
Windows · Linux
Homebound is a 2D platformer all about a journey home. Collect and use powers you find along the way to find your way home.
Why similar: Puzzle Platformer 35.4%, 2D Platformer 33.6%, Puzzle 13.5%, Platformer 10.5%, 2D 4.6%
- #55 GraviChess
66% match2 user reviews100% of 2 reviews2026
Dev: Lumpy Software
Windows
Use the classic chess pieces to work your way through this complex puzzle platformer. Capture all enemy pieces before they get you to beat the 102 intricately designed levels.
Why similar: Puzzle Platformer 30.5%, 2D Platformer 28.5%, Strategy 16.6%, Puzzle 11.6%, Platformer 6.8%
- #56 Simply Unstable
66% match2 user reviews100% of 2 reviews2025
Dev: Shnep
Windows
Utilize your strange stability shifting abilities to delve deeper into the depths of Old Fairy and solve the mystery of what is causing the Planet's odd effects.
Why similar: Puzzle Platformer 36.4%, 2D Platformer 24.8%, Strategy 16.8%, Puzzle 13.2%, Platformer 6%
- #57 War for Westminster
67% matchNo user reviews
Dev: Raptor Studios
Windows · Mac
War For Westminster is a political strategy game where players tactically win a UK Election by creating a party where the player must balance voter appeal with donor influence, shift your stance, bend the truth, and decide how far you'll go to lead the nation.
Why similar: Political 37.1% ★, Politics 35.6% ★, Strategy RPG 10.9%, Strategy 9.1%, RPG 6.2%
- #58 The Legend of Bubble Boy
67% matchNo user reviews2025
Dev: Hogster StudioPub: DJ Hopkins
Windows
The Legend of Bubble Boy! Princess Boobles needs a hero to find 5 runes to stop Blackhole Bob from destroying the universe. Find items to get through each level.
Why similar: Strategy 25.3%, Puzzle Platformer 23.3%, 2D Platformer 22.9%, Puzzle 12.3%, Platformer 11%
- #59 Win The Election
66% match1 user reviews0% of 1 reviews2025
Dev: Rainey Studios
Windows
A fun, casual political election simulator that can provide hours of entertainment.
Why similar: Political 43.9% ★, Politics 41.2% ★, Strategy 13.8%, Indie 0.7%, Singleplayer 0.4%