Single-player games like Onion Assault
Below are 8 single-player Steam games similar to Onion Assault, 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 Onion Assault page.
Ranked picks
- 1
Magus Pocus
Single-player alternative to Onion Assault — playable solo, no multiplayer required. Shares Action and Indie with Onion Assault.
Gather coins, discover objects in secret areas, defeat enemies, and survive deadly traps in this 2D platformer inspired by the 90s.
- 2
JACK 'N' HAT
Single-player alternative to Onion Assault — playable solo, no multiplayer required. Shares Action and Indie with Onion Assault.
The sinister Dr. Voo Doom has kidnapped the Princess of Ririland and incited a civil war! It's up to repairman extraordinaire, Jack and his boomerang hat to save her and restore peace! Jump through 20+ huge levels, collecting Crystals, Stars and more! Can you save Ririland?
- 3
Petey Pedro unBEETable Adventure
Single-player alternative to Onion Assault — playable solo, no multiplayer required. Shares Action and Indie with Onion Assault.
Help Petey Pedro get back home after falling into a magical world where the SWEETS he chose over a healthy beet are now his worst nightmare. A nostalgic game for those RAD 80's and 90's kids. Easy to pick up, hard to master play style.
- 4
Princess Ruby
Single-player alternative to Onion Assault — playable solo, no multiplayer required. Shares Action with Onion Assault.
Princess Ruby is a 2D Platformer aimed at young children. Play as a princess and run, jump and sometimes ride a unicorn through each level. Dress up how you want, change your hairstyle and the colors of your costume.
- 5
Unsung Escape
Single-player alternative to Onion Assault — playable solo, no multiplayer required. Shares Action and Indie with Onion Assault.
Unsung Escape is a vertical action-platformer where you outrun an ever-rising Void. Use Energy Orbs to gain movement abilities like double-jumps and dashes. No enemies—just pure platforming, exploration, and survival.
- 6
Super TECHPACK
Single-player alternative to Onion Assault — playable solo, no multiplayer required. Shares Action and Indie with Onion Assault.
A charming platformer ripped straight from the arcades. Run, shoot, climb and chomp your way to victory.
- 7
Below The Ocean
Single-player alternative to Onion Assault — playable solo, no multiplayer required. Shares Action and Indie with Onion Assault.
Dive into the world 'Below the Ocean'! Master thrilling moves like tether-swinging, bubble-jumping, bungee-bouncing, and sling-shot in a mesmerizing underwater adventure. Solve intriguing puzzles and seek hidden treasures. Are you ready to embark on this unforgettable journey?
- 8
Tiny Thor
Single-player alternative to Onion Assault — playable solo, no multiplayer required. Shares Action and Indie with Onion Assault.
Jump into this challenging retro platformer! Play as Thor, use his mighty hammer and unique items to explore the Northern Realms. Beware of mythical creatures blocking your path to become a god!