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Loved DOI: Defense Shooter? You'll love these

About DOI: Defense Shooter

No game lists DOI: Defense Shooter as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.

Free
Released
Price
Free
Players
👥 Up to 2 players
Reviews
50% of 2

A free 2-player co-op top-down survival shooter. One hit and you're out — survive together, climb the leaderboard, and unlock new characters!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 2

Survive as long as you can in an endless bullet hell with randomized stats and weapons.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
96% of 33

A silly, frantic top-down multiplayer shooter, with tons of unique guns and items in a randomizer. Get stupid & get stupid weapons. Kill your friends to WIN BIG!!!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
80% of 5

Engage in chaotic multiplayer battles in Trigger Fever, a top-down shooter party game. Crush foes solo or with friends, wielding 50+ unique weapons. Show off skills, tactically dominate, and embrace the crazy onslaught!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
61% of 1,899

Take on the role of a Vault Breaker in search of alien artifacts called “Vaults” and fight against monsters and powerful bosses. You can strengthen your Breakers to explore far-away galaxies that no one has ever reached!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 1

top-down co-op survival horror game where players deploy into deadly Quarantined Zones, fight mutated experiments, and extract with everything you can carry—because if you die, you lose it all.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 2

Choose your champion and fight until your last breath! Frenzy Force is a casual wave-survival game with a diverse set of weapons and unlockable characters, where you must fight through a variety of biomes against hordes of shadowy minions.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
69% of 23

Roguevive is an roguelite survive bullet heaven. Survive against hordes of enemies getting ever stronger. Level up, unlock upgrades and new guns in this multiplayer action roguelite.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
100% of 1

Pyromania is an action-packed horde survival game. Strategy and movement are key to surviving the ever-growing hordes of zombies, wild animals and other monsters. It can be played either solo or in online-coop with up to 4 players.

If you loved these, you'll love this