These are games that have a built-in timer to measure how fast you completed a challenge, without the need for external software.

- The running timer is displayed on the HUD during gameplay
- IGT is widely used by the game's speedrunning community (if there is one)

Sorted by release date (actual full release if available, not the early access launches displayed on IGDB / Backloggd) from newest to oldest, with demos for upcoming titles at the bottom. Racing games usually have this feature by default so they will be excluded.