24 games ranked by how much the tags Steam players vote on them overlap with Invisigun Reloaded'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: Local Multiplayer, 4 Player Local, Pixel Graphics, Competitive, Casual, Stealth.

1·Duck Game
84% match · Local Multiplayer, 4 Player Local
97% of 39,067 reviews positive

2·Porcunipine
82% match · 4 Player Local, Local Multiplayer
77% of 204 reviews positive

3·Timberman VS
80% match · Local Multiplayer, Casual
91% of 3,374 reviews positive

4·STARWHAL
79% match · Local Multiplayer, 4 Player Local
89% of 708 reviews positive

5·Counter Agents
78% match · Stealth, Local Multiplayer
91% of 167 reviews positive

6·Timberman
78% match · Pixel Graphics, Local Multiplayer
93% of 11,158 reviews positive

7·Khan VS Kahn
77% match · Local Multiplayer, Strategy
60% of 299 reviews positive

8·Samurai GUNN 2
76% match · Local Multiplayer, 4 Player Local
92% of 785 reviews positive

9·Knight Squad
76% match · 4 Player Local, Local Multiplayer
87% of 411 reviews positive

10·Crawl
76% match · Local Multiplayer, 4 Player Local
95% of 7,322 reviews positive

11·Tooth and Tail
76% match · Pixel Graphics, Strategy
80% of 4,156 reviews positive

12·Timber Tennis: Versus
76% match · Local Multiplayer, Pixel Graphics
67% of 90 reviews positive

13·Hyperdrive Massacre
76% match · Local Multiplayer, 4 Player Local
54% of 394 reviews positive

14·PARTICLE MACE
75% match · Local Multiplayer, 4 Player Local
88% of 1,368 reviews positive

15·UFO 50
75% match · Pixel Graphics, Retro
95% of 7,533 reviews positive

16·Move or Die
75% match · Local Multiplayer, 4 Player Local
89% of 23,304 reviews positive

17·DEADBOLT
75% match · Stealth, Pixel Graphics
96% of 5,651 reviews positive

18·Party Hard
75% match · Stealth, Pixel Graphics
90% of 12,707 reviews positive

19·Moving Out
75% match · Local Multiplayer, 4 Player Local
80% of 2,364 reviews positive

20·TowerFall Ascension
75% match · Local Multiplayer, 4 Player Local
95% of 3,629 reviews positive

21·Cannon Brawl
74% match · Local Multiplayer, Controller
92% of 800 reviews positive

22·Nuclear Contingency
74% match · Stealth, 2D
53% of 310 reviews positive

23·HITMAN™ 2
74% match · Stealth, Strategy
91% of 74,777 reviews positive

24·Party Hard 2
74% match · Stealth, Pixel Graphics
78% of 3,356 reviews positive
The closest matches to Invisigun Reloaded on Steam are Duck Game, Porcunipine, Timberman VS, STARWHAL, Counter Agents. They rank highest because their Steam community tags overlap most with Invisigun Reloaded's, and shared tags include Local Multiplayer, 4 Player Local, Pixel Graphics.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Local Multiplayer, 4 Player Local, Pixel Graphics count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches Invisigun Reloaded's. Popularity never affects the ranking.