24 games ranked by how much the tags Steam players vote on them overlap with Nemesis: Lockdown'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: Board Game, Turn-Based Tactics, Turn-Based Strategy, Aliens, Team-Based, Cinematic.

1·UFO Checkers
84% match · Board Game, Turn-Based Tactics
63% of 35 reviews positive

2·Chains of Freedom
80% match · Turn-Based Tactics, Team-Based
81% of 562 reviews positive

3·Love Letter
79% match · Card Game, Board Game
87% of 602 reviews positive

4·Mahokenshi - The Samurai Deckbuilder
79% match · Board Game, Turn-Based Tactics
77% of 624 reviews positive

5·Nexus 5X
78% match · Board Game, Team-Based
91% of 949 reviews positive

6·Catan Universe
78% match · Board Game, Card Game
47% of 18,222 reviews positive

7·Gomoku Let's Go
78% match · Board Game, Turn-Based Tactics
88% of 934 reviews positive

8·Pathfinder Adventures
77% match · Card Game, Board Game
64% of 871 reviews positive

9·Just Go
77% match · Board Game, Card Game
93% of 3,344 reviews positive

10·XCOM®: Chimera Squad
75% match · Turn-Based Tactics, Aliens
71% of 23,487 reviews positive

11·Warbands: Bushido
75% match · Board Game, Card Game
70% of 1,223 reviews positive

12·Super Dungeon Tactics
75% match · Board Game, Turn-Based Tactics
78% of 148 reviews positive

13·GWENT: Rogue Mage (Single-Player Expansion)
75% match · Board Game, Card Game
54% of 1,301 reviews positive

14·RISK: Global Domination
75% match · Board Game, Turn-Based Strategy
79% of 41,730 reviews positive · 1,649 playing

15·AETHERIS
75% match · Board Game, Turn-Based Tactics
80% of 252 reviews positive

16·100% Orange Juice
75% match · Board Game, Card Game
91% of 30,240 reviews positive

17·Faeria
75% match · Card Game, Board Game
84% of 7,214 reviews positive

18·Hand of the Gods
74% match · Card Game, Turn-Based Tactics
57% of 1,274 reviews positive

19·App 1627330
74% match · Board Game, Card Game
94% of 35 reviews positive

20·UNO
74% match · Card Game, Board Game
70% of 54,259 reviews positive · 97 playing

21·KROSMAGA
74% match · Card Game, Turn-Based Tactics
76% of 1,065 reviews positive

22·Gloomhaven
74% match · Board Game, Card Game
82% of 16,163 reviews positive · 234 playing

23·Richman 11
74% match · Board Game, Turn-Based Tactics
46% of 3,158 reviews positive

24·CARDCORE
74% match · Board Game, Card Game
46% of 39 reviews positive
The closest matches to Nemesis: Lockdown on Steam are UFO Checkers, Chains of Freedom, Love Letter, Mahokenshi - The Samurai Deckbuilder, Nexus 5X. They rank highest because their Steam community tags overlap most with Nemesis: Lockdown's, and shared tags include Board Game, Turn-Based Tactics, Turn-Based Strategy.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Board Game, Turn-Based Tactics, Turn-Based 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 Nemesis: Lockdown's. Popularity never affects the ranking.