Single-player games like The World's Hardest Game 3D Nostalgia
Below are 9 single-player Steam games similar to The World's Hardest Game 3D Nostalgia, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like The World's Hardest Game 3D Nostalgia page.
Ranked picks
- 1

The Perplexing Orb 2
Single-player alternative to The World's Hardest Game 3D Nostalgia — playable solo, no multiplayer required. Shares Indie and Adventure with The World's Hardest Game 3D Nostalgia.
Experience an all new puzzle platforming adventure like none other! Roll, shrink, grow, zip, and jump your way through over 70 all new stages. Experience the classic Perplexing Orb game play with all new twists involving The Perplexing Orb's new character abilities.
- 2

The World's Hardest Game 3D Nostalgia 2
Single-player alternative to The World's Hardest Game 3D Nostalgia — playable solo, no multiplayer required. Shares Indie and Adventure with The World's Hardest Game 3D Nostalgia.
Easy to play, hard to finish. The World's Hardest Game 2, which you used to play on flash game sites, is now with you in 3D! The same 50 levels as in the original game are now here. Be patient, dodge enemies and reach to the end in this 3D Hard Platformer!
- 3

The World's Hardest Game 3D 2
Single-player alternative to The World's Hardest Game 3D Nostalgia — playable solo, no multiplayer required. Shares Indie and Casual with The World's Hardest Game 3D Nostalgia.
2nd game of the 3D version of the The World's Hardest Game you play on flash game sites! 38 different, unique and challenging levels are waiting for in this 3D Platformer! Will you be able to see the last level?
- 4

Lost Keys
Single-player alternative to The World's Hardest Game 3D Nostalgia — playable solo, no multiplayer required. Shares Adventure and Casual with The World's Hardest Game 3D Nostalgia.
In Lost Keys, you are in the role of a little boy, who got lost in a place full of dangers, embark on this adventure journey, overcome all obstacles and help Breno to return home!
- 5

Candy Roller
Single-player alternative to The World's Hardest Game 3D Nostalgia — playable solo, no multiplayer required. Shares Indie and Adventure with The World's Hardest Game 3D Nostalgia.
Control ball in this 3d ball game. Try to collect all keys to unlock finish before time ends and also collect cakes in every level. Be a master ball controller
- 6

Snake Pass
Single-player alternative to The World's Hardest Game 3D Nostalgia — playable solo, no multiplayer required. Shares Indie and Adventure with The World's Hardest Game 3D Nostalgia.
Slither, coil and climb your way to the top of Haven Tor in this one of a kind physics based, puzzle platform adventure from award winning independent studio Sumo Digital!
- 7

Rolled Out!
Single-player alternative to The World's Hardest Game 3D Nostalgia — playable solo, no multiplayer required. Shares Indie with The World's Hardest Game 3D Nostalgia.
Get ready to tilt and bounce your way through Rolled Out!, a marble-rolling game with charming characters and precise controls. All you need is one joystick to roll to the goal; with over 150 hand-crafted stages to tackle, there's always a new challenge around the corner!
- 8

Omno
Single-player alternative to The World's Hardest Game 3D Nostalgia — playable solo, no multiplayer required. Shares Indie and Adventure with The World's Hardest Game 3D Nostalgia.
A single-player journey of discovery through an ancient world of wonders, created by solo developer Jonas Manke.
- 9

The World's Hardest Game 3D
Single-player alternative to The World's Hardest Game 3D Nostalgia — playable solo, no multiplayer required. Shares Indie and Casual with The World's Hardest Game 3D Nostalgia.
Easy to play, very hard to finish. The World's Hardest Game, which you used to play on flash game sites, is now with you in 3D. Good luck in this challenging game of 30 unique levels!