Co-op games like Ares Virus2
Below are 6 cooperative Steam games similar to Ares Virus2, ranked by player overlap and content similarity. Every pick supports cooperative play — online co-op, LAN co-op, or shared/split-screen — so you can play with friends right out of the box. imho.run pulls from the same Steam category data Valve uses internally, so "Co-op" here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Ares Virus2 page.
Ranked picks
- 1

Legendary Realms: A Fantasy World Odyssey
LAN Co-op alternative to Ares Virus2 — playable with friends. Shares Action and Indie with Ares Virus2.
Legendary Realms: A Fantasy World Odyssey is a multiplayer sandbox adventure game. Create your own character, select classes, and take on quests to earn rewards and level up. With a range of equipment and multiplayer options, it's an immersive experience that will keep you engaged for hours.
- 2

The Last Camp
Online Co-op alternative to Ares Virus2 — playable with friends. Shares Indie and RPG with Ares Virus2.
This is a top-down survival-building game blending farming, tower defense, and micromanagement, requiring you to fend off zombie hordes, grow crops, and strategically deploy traps to defend your homestead.
- 3

Alakenisland
Online Co-op alternative to Ares Virus2 — playable with friends. Shares Action and Indie with Ares Virus2.
Explore the island, fight off the pirates in Action RPG style, destroy everything you can in this Physics Voxel game, drive Pirate ships and blast cannons all over the place, get the Trident and control the ocean!
- 4

Kingdom of Atham: Crown of the Champions
Online Co-op alternative to Ares Virus2 — playable with friends. Shares Action and Indie with Ares Virus2.
"Kingdom of Atham: Crown of the Champions - Embark on a medieval fantasy survival odyssey. Reclaim the stolen Crown, battle dark forces, and explore diverse lands. Uncover secrets, wield magic, and craft your destiny. Will you become the true champion of Atham?"
- 5

Survival Nation: Lost Horizon
Online Co-op alternative to Ares Virus2 — playable with friends. Shares Action and Indie with Ares Virus2.
Survival Nation: Lost Horizon is an open-world, top-down zombie survival game. Keep yourself and other survivors alive in a world gone to the zombies, upgrade your gear and skills, and keep civilization going in a world where humans are the top pick on the menu.
- 6

Rum & Gun
LAN Co-op alternative to Ares Virus2 — playable with friends. Shares Action and Indie with Ares Virus2.
Rum & Gun combines fast-paced shooter action with ARPG loot and character building. Journey across the Indian Ocean, uncover the secrets of the Drunken God, and become a legendary pirate captain. You're not on the Caribbean anymore...