| Harmful | |
 | |
| Game information | |
| Platform(s) | PC |
| Developer(s) | ToothandClaw |
| Genre(s) | Horror |
| Playthrough | |
| Run | May 3, 2020 |
| Episodes | 1 |
| Status | Complete |
| Markiplier Game Guide | |
| ← previous Swallow the Sea |
next → Happy's Humble Burger Barn |
Harmful is a game played by Markiplier.
Game Information[]
The Tape was found deep in the woods. Some of the footage was damaged, some of it missing.