Save 10% on No Plan B on Steam
Carefully plan your team's tactics in close quarters battles. Use the timeline to synchronize each door breach, grenade throw and room entry with precision. Watch your team execute your plan autonomously in epic cinematic replays. Take on challenging roguelike campaigns or standalone missions.
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Ready or Not on Steam
Ready or Not is an intense, tactical, first-person shooter that depicts a modern-day world in which SWAT police units are called to defuse hostile and confronting situations.
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Both of these games are like SWAT or Rainbow Six (of old not the new mess). They are in Early Access on Steam and appear to be Windows only currently. I dunno if these run okay under crossover, and the dev teams for these two games are "small" so no telling if there will ever be a macOS version.