What's a reasonably-priced game that I can play for a 100+ hours?

You have to keep in mind that there are only 2 games I've put 100+ hours in (Skyrim and FTL), so even though I haven't played these games for very long, I could easily play them much longer

Game Hours Notes
Duck Game 46 Easily my favorite multiplayer game. Despite there not being very many players I always find a game in <2 minutes. I had it on Ouya so I've probably put around 75 hours into it
Spelunky 1 I only recently got this on steam, but for a long time I had it on PS Vita and I sunk easily 100 hours into it on that
CivV 10 The reason I haven't played it more is I forgot to save after I played for 10 hours straight and I'm still upset about that
Lethal League 1 My 3rd favorite multiplayer game. The main reason I don't play this as much is the lack of a chat box, so that just makes me think "man, I wish I was playing Duck Game or Speedrunners instead so I can also talk to people."
Speedrunners 2 The main reason I haven't put more time/like it more than Duck Game into it is I suck at it and I'd rather play a game I'm good at instead
Rocket League 26 I liked this one for a while but after losing the 50th time in a row it just gets a bit boring.
Rogue Legacy 20
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