Single-player games like Challenge 99
Below are 8 single-player Steam games similar to Challenge 99, 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 Challenge 99 page.
Ranked picks
- 1
Marble Champions
Single-player alternative to Challenge 99 — playable solo, no multiplayer required. Shares Indie with Challenge 99.
Roll through intricate tracks, overcome obstacles, design your own races and collect unique marbles. Climb divisions, enter tournaments, race in daily time trials to become the ultimate Marble Champion.
- 2
Marble Stars
Single-player alternative to Challenge 99 — playable solo, no multiplayer required. Shares Indie with Challenge 99.
Marble Stars is a platformer with 55 handcrafted levels suspended above the ocean. Roll, jump, and use special abilities to reach the finish line as fast as you can. Master each course, improve your best times, and earn prestigious medals as you progress.
- 3
HOVERDRIVE
Single-player alternative to Challenge 99 — playable solo, no multiplayer required. Shares Indie with Challenge 99.
A vehicle platformer! Jump, Boost, Drift, and HOVERDRIVE through gravity-defying levels! Perform sick tricks to refill your boost and score a style grade. Reach The Core at the end to complete each level, but beware of The Core's defenses...
- 4
One More Roll
Single-player alternative to Challenge 99 — playable solo, no multiplayer required. Shares Indie with Challenge 99.
One More Roll is a marble game heavily influenced by Super Monkey Ball & Marble Blast. So far the game has 100+ Levels across 7 different worlds with many more to come in the future. Enjoyable both for casual players and hardcore speedrunners.
- 5
Aerial Platforms
Single-player alternative to Challenge 99 — playable solo, no multiplayer required.
Embark on an exhilarating adventure through dynamic levels, where speed and precision are supreme. Leap across diverse platforms, overcome challenging obstacles, and reach the goal before you run out of time.
- 6
Wheelbot
Single-player alternative to Challenge 99 — playable solo, no multiplayer required. Shares Indie with Challenge 99.
You are a robot skateboard and you must reach the exit! Grind rails matching the color of your wheels, avoid bombs and pools of acid, and get to the exit using precision and momentum.
- 7
Polyball
Single-player alternative to Challenge 99 — playable solo, no multiplayer required. Shares Indie with Challenge 99.
Get ready to enter a new era of physics platforming. Polyball is a classic ball rolling game in the vein of Super Monkey Ball, Marble Madness, and Marble Blast - while taking cues from games such as the Sonic series, Trackmania, and Mario Kart.
- 8
Marble It Up! Ultra
Single-player alternative to Challenge 99 — playable solo, no multiplayer required. Shares Indie with Challenge 99.
Roll, bounce, boost, and blast your way to victory in Marble It Up! Ultra - the ultimate marble platformer. Chase the records of your friends and the world's best players through a vast campaign - or face them head-on in thrilling multiplayer mayhem. Get ready to roll!