Undertale Adventures X is a Roblox game by Side Productions. 4,846 people were playing at Oct 17, 2026, 12:42 PM PT. Roblox maturity label: not given yet.
Roblox hasn't given us a maturity label for this game yet, so we treat it like Moderate (13+) until it does.
4,846playing · sampled
—vs the average 7 days earlier
Oct 17, 2026last game update on Roblox
93% of Roblox votes are likes
Players, last 7 days
Oct 14, 2026┆ game update Oct 15, 2026, Oct 16, 2026Oct 17, 2026
Over the last 7 days Undertale Adventures X ranged from 3,039 to 5,156 players (2-hour averages). The first sample in the window was 3,159, the latest 4,875. A game update on Roblox was detected on Oct 15, 2026, Oct 16, 2026 (dashed line).
Daily numbers (table)
| Day (PT) | Average | Peak |
|---|---|---|
| Oct 14, 2026 | 3,113 | 3,208 |
| Oct 15, 2026 | 3,442 | 3,715 |
| Oct 16, 2026 | 3,838 | 4,477 |
| Oct 17, 2026 | 4,872 | 5,156 |
Source: BloxRadar samples of public Roblox player counts, about every 30 minutes, averaged per 2 hours.
What we found
- Tower defense game based on Undertale; defend your base from monsters using Undertale units; level up units and strengthen them with traits — Game page on Roblox
- Developer is Side Productions — Our player tracking
- Code MOREFREESTUFF gives 25 Trait Rerolls, 3 Gaster Hands, 1,000 Souls — game wiki
- Codes are case-sensitive and usable once per account — game wiki
- Codes are redeemed with the Codes button on the right side of the screen — game wiki
From our video published . Written by BloxRadar from the sources shown.
Codes
We haven't checked codes for this game yet.
We re-check codes on the web and show where each one is listed. We don't redeem codes, so we can't promise one works — codes can expire without warning.
Our videos
Undertale Adventures X — Which Unit Deserves Your Rerolls?
1 day ago