2 player games for me and my gf

Out of those games, you can't get more "gripping, interactive, and replayable" than Twilight Struggle, in my opinion. Playing this game with someone at a similar skill level is amazing. It's definitely involved, and your first game will likely last anywhere from 3-6 hours, but it's an amazing game.

Perhaps it may be better to start with Watergate, which is kind of Twilight Struggle Lite, and graduate to Twilight Struggle, but honestly I think you would be just as fine jumping into Twilight Struggle.

Star Wars: Rebellion also fits your description, but as much as I want to like the game, for some reason I really, really struggle to grok FFG rulesets. This is definitely a me problem (a lot of people think their rulesets are great), but I just couldn't enjoy the game because every time someone takes a turn or combat happens you have to look up this several-step process that isn't really intuitive. YMMV, if you love Star Wars and the ruleset doesn't baffle you like it does me, then I think this would also be a great pick.

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