Resident Evil

Resident Evil Revelations 2 is the more horror-forward companion to RE5 on this list. The episodic campaign pairs two distinct character duos with genuinely different playstyles, and the atmosphere holds closer to the series' survival horror roots than anything in the numbered mainline games from that era. Raid Mode adds replayable content beyond the campaign for groups who want more. It missed the top ten because it is slightly less essential than RE5 as a co-op landmark, but if you and a partner have already played that one and want more Resident Evil campaign co-op with creepier tone, this is the next honest recommendation.

I have played enough open-world games to appreciate what constraint can do, and the Spencer Mansion is one of gaming's best arguments for it. Every room matters. Every item placement is a decision. The 2002 remake strips away almost everything modern game design considers essential and replaces it with ink ribbons, locked doors, and the specific dread of knowing a zombie you walked past is still there on the way back. Fixed cameras get criticized as a relic, but here they create sightlines and blind spots that a free camera never could. Modern recommendability takes a hit because the design asks patience most players have been trained out of. Worth rebuilding that patience for.