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Cover the four combat jobs

How to cover area damage, bosses, front line, and crowd control with the units public lineups actually named, including substitutes.

Cover the four combat jobs

How to cover area damage, bosses, front line, and crowd control with the units public lineups actually named, including substitutes.

Public lineups talk about roles, not a single damage number. A July 31, 2025 ranking and an October 13, 2026 lineup table give the same five names the top band: Sans, Asriel, Mettaton NEO, Undyne the Undying, and Papyrus. That agreement is not a playtest after the October 12, 2026 experience update. There were no patch notes on the listing. Use the roles to cover a leak, then replace anyone who is not doing that job in your match.

Roles those lineups assign

Unit Reported role What the write-ups say it is for
Sans Area damage and crowd control Grouped enemies and stopping a wave from walking through
Asriel Area damage Both packs and bosses, from mid waves onward
Mettaton NEO Single-target boss damage Called the highest single-target unit in those write-ups
Undyne the Undying Tank and damage Front line that also hits back
Papyrus Crowd control Late-wave damage plus grouping
Asgore Tank and melee The named substitute when Undyne the Undying is missing
Muffet Crowd control Slows a pack so damage can land. Named substitute for Papyrus
Mettaton EX Area damage Wave clear when Sans or Asriel is missing
Temmie Early damage High early damage, weak defensive scaling later
Greater Dog Tank Soaks hits, low personal damage

A July 2025 ranking also placed Frisk in support and healing, Toriel in support and area damage, Alphys in buff support, and Mad Mew Mew as a situational hybrid. The October 2026 table did not repeat those four. They are not on this site's letter board for that reason. Frisk still has a unit page because an older Underpass video showed a Frisk form.

A squad that can finish a hard wave

You want four jobs filled, not five famous names:

  1. Something that hits a clump.
  2. Something that kills a high-health enemy before the next wave.
  3. Something that stands in front if enemies reach the defense.
  4. Something that slows or groups, if the damage is missing moving targets.

The October 2026 notes say Asgore, Muffet, and Mettaton EX can hold those jobs until the five top names are obtained. Froggit, Migosp, Loox, Snowdrake, Ice Cap, Jerry, and Moldsmal were described there as units that fall off after the earliest waves. Jerry is the exception with a 2024 job: an August 10, 2024 gauntlet tour called Jerry a distraction that helped Gauntlet and a Genocide act. That is a stall tool, not a damage carry.

What not to copy blindly

No public damage table from October 2026 was found, so this page does not rank anyone by DPS. Dust Sans is several 2024 event forms, not one slot in this table. Prestige Sansta was a Christmas showcase in a January 2, 2026 upload and is not in the October 2026 five.

The letter board is the unit tier list. Individual pages are under Units.

FAQ

Frequently Asked Questions

What is Undertale Adventures X?

It is a free Roblox tower defense experience by Side Productions. You defend a base with Undertale-inspired units, level those units, and strengthen them with traits. The experience was created on July 16, 2024, and the public record was updated on October 12, 2026.

Is Undertale Adventures X free?

The Roblox listing has no paid entry price. Optional Robux gamepasses exist. Known names include VIP, SHINY Hunter!, Supporter, +50% Tokens, and 2x XP. Current Robux prices were not on the public listing text used here.

Who makes the game?

Side Productions, the verified Roblox community that owns the experience. The community page is linked from the game listing.

How do codes work?

Open the Codes button on the right side of the screen, enter the full string, and press Enter or Redeem. Only 2KCCU! and FREESTUFF! were still reported working in October 2026, and both rewards were described only as freebies.

Do trait rates still match the old table?

Trait rerolls assign one of 12 listed traits. The rate table matches an August 2024 odds screen for Royal Guard Soul at 15%, and a November 29, 2024 video described the Perseverance buff the table now shows. Read the percent in your own Traits menu before you spend a large stack of rerolls.