Single-player games like ITTA
Below are 11 single-player Steam games similar to ITTA, 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 ITTA page.
Ranked picks
- 1

Autonomous Anarchy
Single-player alternative to ITTA — playable solo, no multiplayer required. Shares Action and Indie with ITTA.
A retro twin-stick bullet-hell where you fight hordes of enemies, collect powerful weapons and upgrades, and go head to head with menacing mechanical bosses. Take on the hordes solo or with a friend in local co-op!
- 2

ISPELL
Single-player alternative to ITTA — playable solo, no multiplayer required. Shares Action and Indie with ITTA.
ISPELL is a shoot'em up & bullet hell game where you take on the role of a nameless android who wanders through the dying worlds. Use various weapons and dodge enemy bullets, as well as challenge powerful creatures.
- 3

Voidwalker
Single-player alternative to ITTA — playable solo, no multiplayer required. Shares Action and Indie with ITTA.
Voidwalker is a dark Twin-Stick Shooter Roguelike in which you control the Walker, a defeated King who fights to rebuild the broken world. Upgrade your abilities and survive in this relentless world of darkness.
- 4

HOLYHUNT
Single-player alternative to ITTA — playable solo, no multiplayer required. Shares Action and Indie with ITTA.
A love letter to 8-bit era in a punishing, rewarding, tight retro top-down shooter.
- 5

Zombie Battlefield Survivors
Single-player alternative to ITTA — playable solo, no multiplayer required. Shares Action and Indie with ITTA.
Zombie Battlefield Survivors is a top-down view roguelike action shooter game. Fight against hordes of zombies, constantly upgrading attributes and collecting credits to enhance your character's abilities.
- 6

Little Elf Tanks
Single-player alternative to ITTA — playable solo, no multiplayer required. Shares Action and Indie with ITTA.
A bombastic bug busting adventure! Play as one of four playable characters in their quest to to free their fellow elves from the clutches of an evil army of spiders. If they crawl, blast em all! Let nothing stand in your way.
- 7

Rogue Sentry
Single-player alternative to ITTA — playable solo, no multiplayer required. Shares Action and Indie with ITTA.
Rogue Sentry is a difficult twin-stick adventure shoot-em-up about a sentry droid who turns rogue to save humanity.
- 8

Legendary Survivors
Single-player alternative to ITTA — playable solo, no multiplayer required. Shares Action and Indie with ITTA.
Survive against hordes of monsters.
- 9

Psycho
Single-player alternative to ITTA — playable solo, no multiplayer required. Shares Action and Indie with ITTA.
”Psycho” is a 3D horror game that allows you to explore and survive with your friends in the terrible mystery bunker.
- 10

EARTH DEFENSE FORCE 4.1 The Shadow of New Despair
Single-player alternative to ITTA — playable solo, no multiplayer required. Shares Action with ITTA.
It's a fight for the future of the planet between the Ravagers, a merciless swarm of alien invaders, and the Earth Defense Force (EDF) in this third-person shooter.Play as four different classes in over 80 missions with a range of 800 weapons at your disposal.Co-op play supported.
- 11

HOUSE OF GOD
Single-player alternative to ITTA — playable solo, no multiplayer required. Shares Action and Indie with ITTA.
As The House of God races towards heaven, Jack blasts their way to the conductor in this chaotic and fast-paced Rogue-Lite.