24 games ranked by how much the tags Steam players vote on them overlap with Grimmwood Open Beta's. A rare tag counts for far more than one that sits on half the store, and popularity never moves a game up.
What they share most: Asynchronous Multiplayer, Co-op, Strategy, Multiplayer, Rogue-like, Survival.

1·Meet Your Maker
80% match · Asynchronous Multiplayer, Co-op
71% of 3,455 reviews positive

2·Frozen Synapse
80% match · Asynchronous Multiplayer, Strategy
83% of 2,617 reviews positive

3·Frozen Synapse Prime
79% match · Asynchronous Multiplayer, Strategy
63% of 338 reviews positive

4·Antihero
78% match · Asynchronous Multiplayer, Strategy
88% of 836 reviews positive

5·Hero Academy
78% match · Asynchronous Multiplayer, Strategy
69% of 756 reviews positive

6·Wargroove 2
77% match · Asynchronous Multiplayer, Co-op
72% of 454 reviews positive · 5 playing

7·Outpost
74% match · Asynchronous Multiplayer, Survival
87% of 795 reviews positive

8·Therian Saga
73% match · Asynchronous Multiplayer, Strategy
72% of 579 reviews positive

9·Monstrum 2
73% match · Asynchronous Multiplayer, Survival
51% of 1,011 reviews positive

10·Hive
73% match · Asynchronous Multiplayer, Strategy
84% of 313 reviews positive

11·Despot's Game: Dystopian Battle Simulator
73% match · Asynchronous Multiplayer, Survival
84% of 3,361 reviews positive

12·We Were Here Expeditions: The FriendShip
73% match · Asynchronous Multiplayer, Co-op
90% of 24,167 reviews positive

13·Ascend: Reborn
72% match · Asynchronous Multiplayer, RPG
78% of 868 reviews positive

14·The Texas Chain Saw Massacre
72% match · Asynchronous Multiplayer, Survival
66% of 23,750 reviews positive · 264 playing

15·Half Dead
72% match · Survival, Co-op
78% of 3,281 reviews positive

16·Conquest of Elysium 5
71% match · Asynchronous Multiplayer, Rogue-like
90% of 2,005 reviews positive

17·Labyrinth
71% match · Asynchronous Multiplayer, Strategy
65% of 275 reviews positive

18·Propnight
71% match · Asynchronous Multiplayer, Co-op
64% of 20,099 reviews positive

19·Magic Rampage
71% match · Asynchronous Multiplayer, RPG
95% of 1,791 reviews positive

20·Mass Exodus Redux
71% match · Asynchronous Multiplayer, Rogue-like
74% of 303 reviews positive

21·Turmoil
70% match · Asynchronous Multiplayer, Strategy
93% of 16,176 reviews positive

22·Khet 2.0
70% match · Asynchronous Multiplayer, Strategy
87% of 165 reviews positive

23·Axis & Allies 1942 Online
70% match · Asynchronous Multiplayer, Co-op
78% of 5,122 reviews positive

24·Twilight Struggle
69% match · Asynchronous Multiplayer, Strategy
86% of 2,995 reviews positive
The closest matches to Grimmwood Open Beta on Steam are Meet Your Maker, Frozen Synapse, Frozen Synapse Prime, Antihero, Hero Academy. They rank highest because their Steam community tags overlap most with Grimmwood Open Beta's, and shared tags include Asynchronous Multiplayer, Co-op, Strategy.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Asynchronous Multiplayer, Co-op, Strategy count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches Grimmwood Open Beta's. Popularity never affects the ranking.