All Star Tower Defense X Tier List & Best Units to Use [UPD 1]

All Star Tower Defense X (ASTD X) is a fresh take on the popular Roblox tower defense game. While it simplifies some of the grind and makes it easier for beginners to get started, unlocking the top-tier units still takes time and effort. Picking the right characters early can make a huge difference in your progress. This guide breaks down the current unit tier list in ASTD X, ranking characters from strongest to weakest based on their performance across all game modes.

What Determines Unit Ranking in ASTD X?

Before we jump into the full tier list, it’s important to understand the factors used to evaluate each unit:

• Stats – DPS, range, and SPA (seconds per attack) all impact a unit’s raw power.
• Attack Type – AoE coverage (line, full, cone) and targeting style matter a lot, especially on larger maps.
• Abilities & Passives – Units with effects like stun, burn, bleed, or buffs can add extra value to your team.
• Utility & CC – Some units excel not in damage but in support roles like farming, buffing, or crowd control.
• Evolution & Teaming – Units that evolve or become stronger when paired with specific characters are often more viable.
• Element Matchups – Element types can affect enemy interactions in certain modes.

ASTD X Unit Tier List UPD 1

S+ Tier (Top Meta Units)

These units are essential for high-level content and perform incredibly well across most game modes.

• Michishibo – Extremely high DPS, wide cone AoE, but expensive to max.
• Magma Marine – Great stats plus burn damage.
• Etri – Stuns enemies and supports with high DPS.
• Venus – Infinite range AoE; top-tier with ascension.
• Onwin – Support-focused, buffs allies and summons units.
• Dark Wing – DPS increases over time; amazing for Infinite mode.
• Ziek – Versatile hybrid unit with strong AoE and range.
• Super Borul – Gains damage per wave; scales well in longer stages.

S Tier (Excellent and Versatile)

Still very powerful, these units are just a step below the absolute best.

• Night – High base stats, great starter 5-Star.
• Super God Koku – Excellent range and damage on hill.
• Jin Sung – Good DPS and summon, but costly to fully upgrade.
• Zaruto (Beast Cloak) – Balanced unit with good stats and shield break.
• Zorro – Strong single-target damage.
• Airren – Best early 5-Star unit with two forms.
• Xero / King Kaoe – Top-tier support buffers.
• The Strongest One – Combines Burn and Bleed for massive damage.
• Ikki (Hollow) – Great AoE with shield-breaking potential.
• Water Goddess – Powerful range and DPS.
• Xerxes – Ground trap-based attacks; solid for mob waves.
• Slayer Mage – Excellent shield breaker with multi-hit attack.

A Tier (Strong but Situational)

These units shine in the right scenarios or when paired with specific teammates.

• Spade – Good burn damage but smaller AoE.
• Whitestache – Full AoE unit that needs ascension.
• Blackstache – Best slow support but weak DPS.
• Mysterious X – Stuns enemies but only shines post-evolution.
• Kujo – Cone AoE attacker with decent stats.
• Ramen Grill Master – The only farm unit; essential for short rounds.
• Shirtless Magician / Ice Queen – Strong 4-Star support options for crowd control.

B Tier (Average Units with Niche Use)

Most of these units need to be part of a synergy or support team to shine.

• Explosion Artist / Yuni – Budget DPS units with some drawbacks.
• Zaruto (Sage) & Kosuke (TS) – Strong together but weak solo.
• Nezichi & Humble Swordsman (Selection) – Great combo if you run both.
• Mbappe Copycat & Neymar Trapper – Another strong duo if used together.
• Ruffy (Lobby) & Janji – Synergize well, but limited outside the team.
• Super Koku & Vegu (Mind) – Underwhelming without evolution or synergy.

C Tier (Below Average)

These units are generally outclassed or only viable in early stages.

• Koro (Lobby), Stampede, The Cursed One – Decent stats but expensive to max.
• Dual Servant / Zio Brundo / Gen – Lacking efficiency or flexibility.
• Jon Jo / Humble Swordsman – Decent 3-Star units with good AoE for beginners.

D Tier (Outdated or Weak)

Best avoided unless you’re starting out or using them for synergy.

• Koku, Zaruto, Vegu, Kosuke – Require pairing to reach usable power.
• Ikky (Early) / Ruffy / Koro (Bleed) – Niche use only in very early gameplay.
• Lami – Starter unit with very limited potential.

E Tier (Low Priority / Fodder)

These characters aren’t worth investing in unless for collection purposes.

• Anti Magician / Spirit Detective / Captain / Uru – Weak damage, limited roles, or outdated design.

If you’re just getting started with All Star Tower Defense X, focus on unlocking units from the S+ and S tiers first. They offer the best return for your grind and will carry you through most of the content. Keep in mind that some 4-Star units become powerful when teamed with others, but if you’re not using their specific combos, they won’t be much help. Always aim to evolve and ascend your units when possible to unlock their full potential. This tier list will continue to evolve as new updates roll out, so be sure to revisit often and adjust your strategy accordingly.