FrozenShiver

Free and fully guided survival horror game. Avoid killing or healing in the first run. ~30 minutes to 100%.

Fully guided horror puzzle game. Solve every puzzle in the room, touch the red button and go to the next room. ~20 minutes to 100%.

Short and fully guided horror walking simulator. ~15 minutes to 100%.

Free and fully guided point-and-click adventure. Hide behind books and nightstand to avoid being captured. ~5 minutes to 100%.

Free and fully guided visual novel. ~5 minutes to 100%.

Free and fully guided walking simulator. Check the door in the beginning, get all coins and get up on the boat. ~20 minutes to 100%.

Free and fully guided adventure game. Choose 'Id love to' in practice and 'Who' in the Bianco conversation for missables. ~30 minutes to 100%.

Fully guided coop point-and-click. Check memories before leave the last door. ~20 minutes to 100%.

Free and fully guided point-and-click adventure. ~20 minutes to 100%.

Fully guided short horror adventure. ~15 minutes to 100%.

Free, guided 2-player puzzle prologue. Inviting through Steam is buggy. Depot required for Slow Stragegist 'download_depot 3095080 3095081 5843639709146442924'. ~30 minutes to 100%.

Free and casual RTS game. Play on easy and x2 speed. Do a full run of each level for 'Great Detective Karr', then grind 'Zombie Town' for level 15. Achievements unlock on close. ~4-5 hours to 100%.

Free and fully guided horror game. ~30 minutes to 100%.

NSFW memory-matching game. Complete all 20 levels for all achievements. Console cheese in full review. ~3 minutes to 100% with cheese, 25 minutes otherwise.

Credit to Shivelight: speedrun and deathless counters are reset when restarting the game broken death counter, allows you to get deathless https://steamcommunity.com/app/1568400/discussions/0/4208120159994505718/#c4208120159999739197 ~2.5 hours to 100%.