Single-player games like Sydless
Below are 10 single-player Steam games similar to Sydless, 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 Sydless page.
Ranked picks
- 1

The Last Shootout
Single-player alternative to Sydless — playable solo, no multiplayer required. Shares Action with Sydless.
Step into the arena for raw, fast-paced 1v1 gunfights! The Last Shootout delivers pure, old-school FPS duels with zero hand-holding. Outshoot opponents in online ranked matches to climb the global leaderboards, or hone your aim against distinct AI bot personalities. Make each shot count.
- 2

hate.net
Single-player alternative to Sydless — playable solo, no multiplayer required. Shares Action and Indie with Sydless.
An abandoned arena shooter overtaken by bots. You are a mere passerby, a witness to a world that has long been lost to fake accounts and false advertisers. Thousands before you, and thousands after you.
- 3

Calcium Contract
Single-player alternative to Sydless — playable solo, no multiplayer required. Shares Action and Indie with Sydless.
Calcium Contract is a fast-paced first-person shooter where you're on a mission to finish a contract that got out of hand. Learn to swiftly move around your enemies and master your arsenal as you fight your way toward the grand finale. Includes a unique score-attack mode in ever-changing arenas.
- 4

MULLET MADJACK
Single-player alternative to Sydless — playable solo, no multiplayer required. Shares Action and Indie with Sydless.
MULLET MADJACK is a HIGH-OCTANE-ACTION SHOOTER that put you directly inside a CLASSIC ANIME. Pick your favorite weapon and reach the last floor; Beat your best time or try again. Haste makes waste… OF YOUR ENEMIES!
- 5

Impaler Gold
Single-player alternative to Sydless — playable solo, no multiplayer required. Shares Action and Indie with Sydless.
Impaler Gold is a fast-paced minimalistic arena shooter - now expanded and improved. Summon spikes to slay monsters, build barriers, and propel yourself into the air. Challenge yourself in this highly replayable rogue-lite shooter inspired by the classics.
- 6

Bloodshed
Single-player alternative to Sydless — playable solo, no multiplayer required. Shares Action and Indie with Sydless.
Bloodshed is a Roguelite Survivors FPS; an exhilarating fusion of Roguelite elements merged with retro-styled visuals and first-person “Survivors-like” frenetic combat action!
- 7

Hellbound
Single-player alternative to Sydless — playable solo, no multiplayer required. Shares Action and Indie with Sydless.
Classic First Person Shooter style game. Like the good old days. An action game focused on speed, gore, guns, and metal music. Inspired by the 90s’ classics with modern visuals and audio!
- 8

Gravelord
Single-player alternative to Sydless — playable solo, no multiplayer required. Shares Action and Indie with Sydless.
Gravelord is a fast-paced boomer shooter voiced by a badass protagonist featuring hand-crafted levels filled with secrets and hordes of enemies to kill. Dish out some brutal carnage with powerful guns and collect Tarot Cards to gain even more killing power. Let's put the fun back in funeral!
- 9

The Lone Blade
Single-player alternative to Sydless — playable solo, no multiplayer required. Shares Action and Indie with Sydless.
The Lone Blade is a 3D platformer where you are a soul trapped in a sword. In order to redeem yourself, you will have to create your own path: jump, dash, spin, or spike to the ground and walls to go through the deserts and climb canyons, and temples... to the highest mountain.
- 10

Unknown at This Address
Single-player alternative to Sydless — playable solo, no multiplayer required. Shares Indie with Sydless.
Unknown at This Address is a horror game set in a small 1970s Normandy village. You play as a local kid delivering the morning mail by bike after all communications went dark.