All Star Tower Defense X Tier List: Best Units Ranked (Updated)

Published on: Jul 07, 2025

All Star Tower Defense X: Ultimate Tier List Guide (Updated)

All Star Tower Defense X (ASTD X) is a popular tower defense game on Roblox that challenges players to strategically deploy units based on anime and manga characters to defend against waves of enemies. With a vast roster of units, understanding which ones are the most effective can be the key to victory. This comprehensive tier list provides an in-depth ranking of ASTD X units, helping you make informed decisions about your team composition and resource allocation.

Understanding the Tier List

This tier list is designed to be a comprehensive guide for both new and experienced ASTD X players. It categorizes units based on their overall performance, considering factors such as damage output, range, crowd control, cost-effectiveness, and utility in various game modes. The tiers are defined as follows:

S-Tier: These units are the absolute best in the game, offering exceptional performance across multiple game modes. They often define the meta and are highly sought after.
A-Tier: Excellent units that are highly effective and versatile. They are reliable choices for most situations and can easily carry you through challenging content.
B-Tier: Solid units that are viable in many situations. They may have some weaknesses, but they can still contribute significantly to your team.
C-Tier: Average units that are generally outclassed by higher-tier options. They can be used in specific strategies or early-game scenarios, but they are not recommended for end-game content.
D-Tier: Weak units that offer limited value. They are generally not worth investing in and should be avoided unless you have a very specific strategy in mind.

It's important to remember that this tier list is a general guideline, and the effectiveness of a unit can vary depending on your specific strategy, team composition, and the game mode you're playing. Always consider your own play style and experiment with different units to find what works best for you.

S-Tier Units: The Meta-Defining Powerhouses

S-Tier units represent the pinnacle of power in All Star Tower Defense X. These units possess exceptional damage output, utility, and survivability, making them essential for tackling the most challenging content. Investing in these units is almost always a worthwhile decision.

Examples of S-Tier Units

Eren Yeager (Final Form): Known for his incredibly high single-target damage and AoE capabilities. His ultimate ability can wipe out entire waves of enemies.
Goku (Super Saiyan God): A versatile unit with excellent range and damage. He is effective against both single targets and groups of enemies.
Madara Uchiha (Six Paths): This unit provides unmatched crowd control and sustained damage, making him invaluable in longer battles.
Vegeta (Super Saiyan Blue Evolved): Deals massive damage in a large area, and can be used to effectively clear out enemies with low defenses.
Light Yagami (Kira): A special unit with unique abilities that can instantly eliminate high-threat enemies.

Why These Units Dominate

S-Tier units generally excel in multiple areas, such as:

High Damage Output: They deal significant damage per second (DPS) or have burst damage potential.
Versatility: They are effective against a variety of enemy types and in different game modes.
Crowd Control: They can slow, stun, or knock back enemies, giving you more time to react.
Survivability: They have high HP or abilities that allow them to withstand significant damage.
Unique Abilities: They possess special abilities that can turn the tide of battle.

A-Tier Units: Excellent and Reliable Choices

A-Tier units are fantastic choices for building a strong and consistent team. While they may not be as game-breaking as S-Tier units, they offer excellent performance and are generally easier to obtain and upgrade. They are reliable choices for a wide range of content.

Examples of A-Tier Units

Naruto (Six Paths Sage Mode): A powerful unit with excellent range and AoE damage. His ultimate ability can deal massive damage to a large area.
Ichigo Kurosaki (Hollowfied): A strong single-target damage dealer with a high attack speed. He is particularly effective against bosses.
Sasuke Uchiha (Rinnegan): Provides good crowd control and sustained damage. His abilities can slow down enemies and deal damage over time.
Rimuru Tempest (Demon Lord): An all-around unit that excels at both damage dealing and crowd control.
Shanks (Red Hair): A good unit that can deal damage and buff other units.

What Makes A-Tier Units Great

A-Tier units stand out because of these qualities:

Consistent Performance: They perform well in most situations and are not heavily reliant on specific team compositions.
Ease of Acquisition: They are generally easier to obtain than S-Tier units.
Good Damage Output: They deal a significant amount of damage, although not as much as S-Tier units.
Utility: They often provide some form of utility, such as crowd control or buffs.
Synergy: They can synergize well with a variety of other units.

B-Tier Units: Solid Performers with Niche Uses

B-Tier units are viable options that can contribute to your team, but they often have specific weaknesses or are outclassed by higher-tier units. They can be useful in certain situations, but they are not recommended for end-game content unless you have a specific strategy in mind.

Examples of B-Tier Units

Luffy (Gear 4): A decent damage dealer with good range.
Zoro (Three Sword Style): A solid melee unit with good damage output.
Natsu Dragneel: Provides good AoE damage and is especially useful in early to mid-game.
Killua Zoldyck (Godspeed): A fast attacker with decent damage output, but can be fragile.
Meliodas (Assault Mode): A decent unit for dealing single-target damage.

Why Use B-Tier Units?

B-Tier units can still be valuable for these reasons:

Availability: They are often easier to obtain than A or S-Tier units.
Early-Game Viability: They can be very useful in the early stages of the game.
Specific Strategies: They may excel in niche strategies or team compositions.
Cost-Effectiveness: They may be more cost-effective to upgrade than higher-tier units.

C-Tier Units: Average and Often Outclassed

C-Tier units are considered average and are generally outclassed by higher-tier options. They may have some limited uses, but they are not recommended for end-game content. These units are often used as placeholders until you can acquire better options.

Examples of C-Tier Units

Goku (Base Form): Outclassed by his Super Saiyan forms.
Naruto (Base Form): Outclassed by his Six Paths Sage Mode form.
Ichigo Kurosaki (Base Form): Outclassed by his Hollowfied form.
Saitama: While powerful early on, his scaling falls off significantly.
Tanjiro Kamado: Decent early game, but gets outclassed by later units.

Reasons to Avoid C-Tier Units (Generally)

C-Tier units often suffer from these drawbacks:

Low Damage Output: They deal significantly less damage than higher-tier units.
Limited Utility: They provide little to no utility.
Poor Survivability: They are often easily defeated by enemies.
Lack of Synergy: They do not synergize well with most team compositions.

D-Tier Units: Weak and Not Recommended

D-Tier units are the weakest in the game and offer very limited value. They are generally not worth investing in and should be avoided unless you have a very specific and unconventional strategy in mind. These units are often used as fodder or for collection purposes only.

Examples of D-Tier Units

Bulma: Offers very little in terms of damage or utility.
Sakura Haruno: Her healing is often insufficient to make a significant impact.
Usopp: His damage output is too low to be effective.
Yamcha: Has very little to offer in terms of damage, range or survivability.
Chopper: Also has very low damage, and his healing is not worth the deployment cost.

Why D-Tier Units Should Be Avoided

D-Tier units are generally weak because of these issues:

Extremely Low Damage: They deal negligible damage.
No Utility: They provide no useful utility.
Poor Survivability: They are easily defeated by even the weakest enemies.
No Synergy: They do not synergize with any team compositions.
High Cost for Low Value: They are not cost-effective to upgrade.

Tier List Considerations and Strategic Implications

While this tier list provides a solid foundation for building your team, it's crucial to consider various factors that can influence a unit's effectiveness. Here's a deeper dive into these considerations:

Unit Synergies

The true potential of a unit often lies in its synergy with other units. Certain units may have abilities that complement each other, creating powerful combinations. For example:

Damage Buffers: Units that buff the damage of other units can significantly increase the overall DPS of your team.
Crowd Control Specialists: Combining units with different types of crowd control (slow, stun, knockback) can create a lockdown strategy that prevents enemies from reaching your base.
Defensive Support: Units that provide healing or shields can increase the survivability of your frontline damage dealers.

Game Mode Specificity

The effectiveness of a unit can vary depending on the game mode you're playing. For example:

Story Mode: Focus on units with good AoE damage to clear waves of enemies quickly.
Infinite Mode: Prioritize units with sustained damage and crowd control to survive endless waves.
Raids: Single-target damage dealers are essential for taking down bosses.
Arena: Units with high burst damage and crowd control can be effective for eliminating opponents quickly.

Unit Upgrades and Evolutions

Upgrading and evolving your units is crucial for increasing their power. Pay attention to the specific upgrades that each unit offers and prioritize those that align with your strategy. Some units may have evolutions that drastically change their abilities and role on the team.

Economic Considerations

Managing your in-game economy is essential for deploying and upgrading your units. Consider the cost of each unit and its potential return on investment. It may be more effective to invest in a few high-tier units rather than spreading your resources thinly across multiple low-tier units.

Adapting to Meta Shifts and Updates

All Star Tower Defense X is constantly evolving with new updates, balance changes, and unit releases. Staying informed about these changes is crucial for maintaining a competitive edge. Here's how to adapt to meta shifts:

Stay Updated: Follow the game's official social media channels and community forums to stay informed about upcoming updates and balance changes.
Experiment: Don't be afraid to experiment with new units and strategies to discover what works best in the current meta.
Adapt: Be prepared to adjust your team composition and strategy as the meta shifts.
Learn from Others: Watch gameplay videos and read guides from experienced players to learn new strategies and techniques.
Share Your Knowledge: Contribute to the community by sharing your own insights and experiences.

Community Resources and Further Learning

The All Star Tower Defense X community is a valuable resource for learning about the game. Here are some useful resources:

ASTD X Wiki: A comprehensive resource for information about units, abilities, and game mechanics.
YouTube Channels: Many content creators produce gameplay videos, guides, and tier lists.
Discord Servers: Join community Discord servers to discuss strategies, ask questions, and find teammates.
Reddit Forums: Participate in discussions and share your knowledge on Reddit forums dedicated to ASTD X.

Conclusion: Mastering All Star Tower Defense X

All Star Tower Defense X is a complex and rewarding game that requires strategic thinking and a deep understanding of its mechanics. By using this tier list as a guide and continuously adapting to the evolving meta, you can build a powerful team and conquer even the most challenging content. Remember to experiment with different units and strategies, and always be willing to learn from others. Good luck, and have fun defending your tower!