Best Free to Play 2D Games on Steam

Check out this fantastic list of free-to-play 2d games you can enjoy on Steam right now, updated on April 01st 2026. Looking for even more free titles? Explore the complete list of the best free to play 2d games on Steam.

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1. Transformice

Transformice is an MMO platformer about dozens of mice running to bring back the cheese! Will the almighty Shaman help you or just ruin everything? Millions of levels, hectic physics, skill trees, and more importantly... hats! Transformice is a multiplayer, massively multiplayer and funny game. Released on January 30th 2015 has received 27,661 reviews of which 24,320 were positive and 3,341 were negative resulting in a rating of 8.6 out of 10. The game has hit the top spot as the #1 most played 2d game, thanks to its 1,311 peak concurrent players over the last day.
8.6
24,320
3,341

1,311
players

2. GraalOnline Era

Era is a modern 2D action MMO RPG. Purchase weapons and work with a gang to compete in activities such as special events, base capturing and PvP battles in the Spar Complex, or start your own gang and chart your own path! GraalOnline Era is a rpg, battle royale and shooter game. Released on February 16th 2024 has received 671 reviews of which 448 were positive and 223 were negative resulting in a rating of 6.4 out of 10. While seeing 117 players online at once in the last 24 hours, this game is currently ranked #2 among 2d games based on player count.
6.4
448
223

117
players

3. The Powder Toy

The Powder Toy is a classic physics sandbox game, which simulates air pressure and velocity, heat, gravity and a countless number of interactions between different substances The Powder Toy is a simulation, sandbox and 2d game. Released on June 14th 2024 has received 2,487 reviews of which 2,443 were positive and 44 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 107 players online at once in the last 24 hours, this game is currently ranked #3 among 2d games based on player count.
9.4
2,443
44

107
players

4. Pixel Puzzles Ultimate Jigsaw Puzzles

The Number 1 Jigsaw Puzzle Game. Pixel Puzzles Ultimate Jigsaw Puzzles is a puzzle, board game and tabletop game. Released on August 29th 2022 has received 2,677 reviews of which 2,018 were positive and 659 were negative resulting in a rating of 7.3 out of 10. The game currently holds the #4 spot among the most played 2d games.
7.3
2,018
659

63
players

5. 2024: Mosaic Retrospective

2024: Mosaic Retrospective is a charity-fundraising picross/minesweeper hybrid featuring a single ENORMOUS puzzle inspired by global news stories from throughout the year. 2024: Mosaic Retrospective is a puzzle, clicker and collectathon game. Released on December 30th 2024 has received 997 reviews of which 898 were positive and 99 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #5 spot among the most played 2d games.
8.5
898
99

40
players

6. Mitos.is: The Game

Step into the microscopic world of Mitos.is! Eat or be eaten—become the ultimate cell in a highly addictive multiplayer game. Diverse modes, daily tournaments, guilds, and gear await! The BEST game of 2015 is back! Mitos.is: The Game is a multiplayer, massively multiplayer and strategy game. Released on July 29th 2015 has received 11,831 reviews of which 9,560 were positive and 2,271 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #6 spot among the most played 2d games.
7.9
9,560
2,271

39
players

7. Awaria

Awaria is a short game about working in haunted maintenance tunnels. Awaria is a cute, bullet hell and lgbtq+ game. Released on December 16th 2024 has received 18,544 reviews of which 17,879 were positive and 665 were negative resulting in an impressive rating of 9.4 out of 10. The game currently holds the #7 spot among the most played 2d games.
9.4
17,879
665

38
players

8. Steam Engine Simulator

The Steam Engine Simulator shown on AngeTheGreat's YouTube channel. Steam Engine Simulator is a simulation, physics and education game. Released on June 07th 2023 has received 8,787 reviews of which 8,683 were positive and 104 were negative resulting in an impressive rating of 9.6 out of 10. The game currently holds the #8 spot among the most played 2d games.
9.6
8,683
104

33
players

9. Wheelchair Wizards

Wheelchair Wizards is a 4 player party game where you battle your friends while upgrading your wizard. Wheelchair Wizards is a pvp, magic and funny game. Released on July 30th 2025 has received 933 reviews of which 909 were positive and 24 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #9 spot among the most played 2d games.
9.1
909
24

30
players

10. Kaetram

A cross-platform 2D pixel-based MMORPG set in medieval times with many turns and twists to spice up your adventure. Join other players in your adventure of defeating bosses, completing quests, discovering achievements, and so much more. Kaetram is a rpg, mmorpg and 2d game. Released on May 16th 2024 has received 407 reviews of which 316 were positive and 91 were negative resulting in a rating of 7.3 out of 10. The game currently holds the #10 spot among the most played 2d games.
7.3
316
91

26
players