Thanks to one mad modder, we can now play Doom on an in-game computer inside another FPS

Escalating levels of FPS turducken.

Terraria's biggest mod manager will require months before it's fully compatible with the 1.4.5 patch: 'Updating tModLoader to major Terraria releases is a huge undertak…

For context, the modders pointed out that it took nine months to update tModLoader when the previous patch for Terraria—1.4.4 ...
GameSpew

Mod for ’90s-inspired FPS Ultrakill makes Doom playable in-game

Love Ultrakill? You’re not alone – this ’90s-style Doom-inspired FPS is sitting at Overwhelmingly Positive on Steam, despite still being in Steam Early Access. Now, a modder has taken its FPS ...