参考资料： DOOM left running on ASUS MyPal PDA for 2.5 years finally crashes — bug that crashes the game when gametic value hits 2,147,483,647 ticks likely to blame Doom crash after 2.5 years of real-world runtime confirmed on real hardware 视频引用： YouTube-Bill Gates Doom YouTube-Crash 3 breaks if you play for 2.2698753245 years YouTube-DOOM 3 - John Carmack Commentary YouTube-Hitting this Block for 416 Years Crashes Paper Mario YouTube-Doom 1 _ Gameboy Advance (IPS display) gameplay Bilibili-用PSP玩DOOM2怎么样 Bilibili-如何在PDF中打游戏：以DOOM为例 BGM: The Truth - Anno Domini Beats