No. Slendytubbies 2 (by ZeoWorks) is a **single-player horror game**. It has **no built-in multiplayer, co-op, or versus modes**.
Some YouTube videos / forums claim "Slendytubbies 2 Multiplayer Mod." These are:
| Game | Players | Style |
|---|---|---|
| Phasmophobia | 1–4 Co-op | Ghost hunting, voice recognition, VR support. |
| Dead by Daylight | 1v4 Asym | Killer vs Survivors, licensed horror icons. |
| Content Warning | 2–4 Co-op | Film scary moments for "SpookTube," physics comedy. |
| Lethal Company | 1–4 Co-op | Scrap moons, proximity voice, creatures, company quota. |
| White Noise 2 | 1v4 Asym | Investigators vs Creature, flashlights, tapes. |
Stick to the official single-player experience for Slendytubbies 2. The atmosphere is designed for isolation.