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

Desert Echo
Single-player alternative to SHOOTOSYNTHESIS — playable solo, no multiplayer required. Shares Action and Strategy with SHOOTOSYNTHESIS.
You are Echo, an AI consciousness, endlessly rebuilt. Defend the Core against relentless swarms, dimensional Rifts and sandstorms. Hundreds of enemies on screen. Deploy turrets, gas barrels, farm energy fragments. No checkpoints. No mercy. Solo or co-op. The desert doesn't forgive hesitation.
- 2

Dreadmark Outlaws
Single-player alternative to SHOOTOSYNTHESIS — playable solo, no multiplayer required. Shares Action and Indie with SHOOTOSYNTHESIS.
The West is dead. You’re not. Yet. Enter a grim Wild West overrun by the undead, build deadly defenses and turn every last stand into glorious chaos — alone or with your friends. Survive the night. Become an outlaw legend.
- 3

Furry Defenders
Single-player alternative to SHOOTOSYNTHESIS — playable solo, no multiplayer required. Shares Action and Strategy with SHOOTOSYNTHESIS.
In Furry Defenders, where the Demon Clan covets the Dragon Veins and incites war among all races, you will play as Cynton, the Dragon Bloodline Warrior. Rally your allies and set masterful traps at crucial passes to outsmart the looming threat of the Demon Army.
- 4

Freedome Farmers
Single-player alternative to SHOOTOSYNTHESIS — playable solo, no multiplayer required. Shares Action and Indie with SHOOTOSYNTHESIS.
Freedome Farmers is a third person coop horde defense game with up to 4 players. You use the resources you have harvested to build defenses and weapons. At night, you defend against waves of alien possessed farm animals. Will you make it through 10 days ?
- 5

Over my Dead Booty!
Single-player alternative to SHOOTOSYNTHESIS — playable solo, no multiplayer required. Shares Action and Indie with SHOOTOSYNTHESIS.
You're pirates that died defending your treasure, but you're not going to let a little thing like death stop you from protecting your booty! Gather your crew, place towers, traps and fight beyond your last breath to stop these scallywags from taking your treasure!
- 6

Gang of Frogs
Single-player alternative to SHOOTOSYNTHESIS — playable solo, no multiplayer required. Shares Action and Strategy with SHOOTOSYNTHESIS.
Sail through the galaxy as a fearless outlaw frog. Plunder loot, upgrade weapons, eat flies and fight through hordes of monstrous bugs in an intense 1-4 player co-op shooter.
- 7

Orcs Must Die! 2
Single-player alternative to SHOOTOSYNTHESIS — playable solo, no multiplayer required. Shares Action and Strategy with SHOOTOSYNTHESIS.
You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment.
- 8

HYPERCHARGE: Unboxed
Single-player alternative to SHOOTOSYNTHESIS — playable solo, no multiplayer required. Shares Action and Strategy with SHOOTOSYNTHESIS.
Hypercharge is a first and third-person shooter action figure game you've always dreamed of! Grab your friends, complete objectives, defend the Hypercore against waves of weaponized toys, and defeat Major Evil together in the story campaign!