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

Shoot 'm Up
Single-player alternative to Abacus — playable solo, no multiplayer required. Shares Action and Indie with Abacus.
Tactical multiplayer chaos.That's what would describe this game in 3 words. It's fast, it's messy, it's challenging. Do you like blowing up zombies to bits together with your friends? Protecting your base from the enemy team? Grab your gear and start the chaos!
- 2

BallisticNG
Single-player alternative to Abacus — playable solo, no multiplayer required. Shares Action and Indie with Abacus.
BallisticNG is a high speed, all thrills anti-gravity combat racer and open modding environment developed as a tribute to old school classics such as Wipeout, Rollcage and Jet Moto.
- 3

Duck Game
Single-player alternative to Abacus — playable solo, no multiplayer required. Shares Action and Indie with Abacus.
Enter the futuristic year of 1984, an age where ducks run wild in a frantic battle for glory. Blast your friends with Shotguns, Net Guns, Mind Control Rays, Saxophones, Magnet Guns, and much, much more. This is DUCK GAME. Don't blink.
- 4

DUSK
Single-player alternative to Abacus — playable solo, no multiplayer required. Shares Action and Indie with Abacus.
Battle through an onslaught of mystical backwater cultists, possessed militants & even darker forces as you attempt to discover just what lurks beneath the Earth in this retro FPS inspired by the '90s legends.
- 5

Prodeus
Single-player alternative to Abacus — playable solo, no multiplayer required. Shares Action and Indie with Abacus.
Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.
- 6

BROKE PROTOCOL
Single-player alternative to Abacus — playable solo, no multiplayer required. Shares Action and Indie with Abacus.
A fully moddable city sandbox with jobs, NPCs, apartments, garages, gangs, and more. Broke Protocol is an open-world action game focused on roleplaying and custom content. Define your goals and identity in a persistent, reactive world where you write your own story.
- 7

Murder Miners
Single-player alternative to Abacus — playable solo, no multiplayer required. Shares Action and Indie with Abacus.
The #1 rated Xbox Live Indie Game. Halo-inspired. Destructible/constructible environments. Vehicles. Zombie survival. Hookshots. Infection mode: Be the zombie & eat the dead to level up your zombie abilities. Community playdates are still hosted every week, join us!
- 8

SONIC SUPERSTARS
Single-player alternative to Abacus — playable solo, no multiplayer required. Shares Action with Abacus.
Adventure through the mystical Northstar Islands in this all-new take on classic 2D Sonic high-speed action platforming.