Co-op games like Sinister Night 2
Below are 8 cooperative Steam games similar to Sinister Night 2, 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 Sinister Night 2 page.
Ranked picks
- 1
Castle of Mist
Online Co-op alternative to Sinister Night 2 — playable with friends. Shares Action and Strategy with Sinister Night 2.
Castle of Mist is a first-person shooter with Roguelike random elements set in a medieval-style adventure. Players control different characters, choose various items to create unique playstyles, and ultimately defeat various monsters and the dragon attacking the castle to achieve victory.
- 2
Sincognito
Online Co-op alternative to Sinister Night 2 — playable with friends. Shares Action and Strategy with Sinister Night 2.
A social deduction investigation horror game where one of you is secretly possessed by a Deadly Sin. Use stealth and proximity chat to cooperate or deceive as you gather clues and compare findings to deduce which Sin is haunting the castle.
- 3
4 Penny Coffins
Online Co-op alternative to Sinister Night 2 — playable with friends. Shares Action and Strategy with Sinister Night 2.
In 4 Penny Coffins, up to 8 players hunt a hidden murderer through lies, shifting alibis, and hard evidence in our online multiplayer mode. This social investigation game also includes a solo mode for those brave enough to face the fog alone.
- 4
The Wendigo Lives
Online Co-op alternative to Sinister Night 2 — playable with friends. Shares Action and Adventure with Sinister Night 2.
Search an abandoned Appalachian forest, complete objectives, and escape before midnight. Survive alone against a deceptive hunter or enter 3–5 player multiplayer, where one of your friends can become the Wendigo and hide among the group.
- 5
Strange Town
Online Co-op alternative to Sinister Night 2 — playable with friends. Shares Action and Strategy with Sinister Night 2.
Strange Town is a very enjoyable multiplayer survival game with a role-playing theme. The game can be played with 3-8 players. In the discussion phase, try to find out who the Werewolf is, and in the anger phase, try to survive! The traitor among you will appear as the Werewolf!
- 6
Catolonizer
Online Co-op alternative to Sinister Night 2 — playable with friends. Shares Strategy and RPG with Sinister Night 2.
Catolonizer is an online social deduction game for up to 15 players. Complete tasks to earn coins, buy items from the Merchant, and use your secret ability at night. Outsmart the others and fulfill your unique win condition!
- 7
The Gaslight
Online Co-op alternative to Sinister Night 2 — playable with friends. Shares Action and Strategy with Sinister Night 2.
The Gaslight is a chaotic social deduction game where one player is the Murderer, one is the Detective, and everyone else is trying to survive. Talk, lie, complete missions, use your pepper spray, and figure out who you can trust before someone gets stabbed.
- 8
Nifland
Online Co-op alternative to Sinister Night 2 — playable with friends. Shares Action and Adventure with Sinister Night 2.
Nifland is a surreal multiplayer horror game with social deduction, set inside a paranormal dream beneath the ocean. Maintain a decaying deep-sea station, survive the entities roaming its halls, and uncover the traitor hiding among your crew before the dream consumes you all.