Single-player games like Synzas
Below are 8 single-player Steam games similar to Synzas, 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 Synzas page.
Ranked picks
- 1

Mangút
Single-player alternative to Synzas — playable solo, no multiplayer required. Shares Action and Indie with Synzas.
Face the struggles of Gil, a tireless app delivery worker RACING AGAINST TIME to pay the bills. Swing through HAND‑PAINTED levels with a unique GRAPPLING HOOK and make tough choices with a powerful ORIGINAL SOUNDTRACK.
- 2

ION Shift
Single-player alternative to Synzas — playable solo, no multiplayer required. Shares Action and Indie with Synzas.
ION Shift delivers fast, high-stakes gameplay with precision controls and a unique sandbox-style approach to combat arenas. The campaign progressively challenges the player through evolving level design, tight mechanics, and a focus on player-driven mastery.
- 3

BZZZT
Single-player alternative to Synzas — playable solo, no multiplayer required. Shares Action and Indie with Synzas.
Become a tiny ZX8000 robot and begin your journey through a beautiful, pixel-art world inspired by games iconic to the platformer genre. Follow a cute story, upgrade your skills, beat challenging levels, and compete with other players for the fastest speedrun!
- 4

Slime-san: Superslime Edition
Single-player alternative to Synzas — playable solo, no multiplayer required. Shares Action and Indie with Synzas.
Slime-san was minding his own business when suddenly… A giant worm appeared and gobbled him up! Deep within the worm’s belly, Slime-san has to face a decision: Be digested by the incoming wall of stomach acid... Or jump, slide and slime his way through the worm and back out its mouth!
- 5

Katana ZERO
Single-player alternative to Synzas — playable solo, no multiplayer required. Shares Action and Indie with Synzas.
Katana ZERO is a stylish neo-noir, action-platformer featuring breakneck action and instant-death combat. Slash, dash, and manipulate time to unravel your past in a beautifully brutal acrobatic display.
- 6

NINJA GAIDEN 2 Black
Single-player alternative to Synzas — playable solo, no multiplayer required. Shares Action and Adventure with Synzas.
Using Unreal Engine 5 to significantly enhance graphic expression, this is the definitive version of "NINJA GAIDEN 2," featuring additional playable characters and enhanced battle support functions.
- 7

They Bleed Pixels
Single-player alternative to Synzas — playable solo, no multiplayer required. Shares Action and Indie with Synzas.
They Bleed Pixels is a fiendishly difficult action platformer inspired by H.P. Lovecraft and classic horror.
- 8

Downwell
Single-player alternative to Synzas — playable solo, no multiplayer required. Shares Action and Indie with Synzas.
Downwell is a curious game about a young person venturing down a well in search of untold treasures with only his Gunboots to protect him.