Game Guides
Roblox Universal Tower Defense Z Beginner Guide: Best Units, Rerolls & Farming Tips
Nipun Gimhan
|2026-07-15Roblox Universal Tower Defense Z is one of the most interesting tower defense games where you collect powerful units, build strategic teams, and defeat waves of enemies. With many unit roles, placement strategies, trait rerolls to power up your units, and various resources to farm, your journey may be very difficult especially if you are a beginner. But don't worry, we got you covered with our best Roblox Universal Tower Defense Z beginner guide including everything you need with the best units to use, reroll strategies, and farming tips to progress faster.
What Should You Do First?
When you are just starting Roblox Universal Tower Defense Z, your first few hours are the most important for making good progress. Firstly, you should focus on getting the best units and building a strong foundation. So, below are the most important things that you should prioritize:
- Redeem Your Beginner Codes: This should be your first priority. As a beginner, you have a special chance to obtain useful units through beginner codes. These permanent beginner codes unlock strong starting units like Kimpachi (a versatile damage dealer) and Fern (a reliable supporter). So, this is the best way to start your adventure. Make sure to redeem them as soon as possible.
- Complete the Tutorial and Early Story Stages: Play the first few easy Story Mode missions. This will teach you the basic gameplay mechanics while rewarding you with Gems, Player EXP, and your first units.
- Claim Free Rewards: Check the Achievements, Unit Index (talk to the NPC outside the summon area), Level Milestones, Daily Quests, and the Battle Pass. These provide easy Gems, rerolls, and upgrade materials without requiring much effort.
- Build Your First Team: Equip your starter units and head back into Story Mode on Easy difficulty. Focus on clearing stages and collecting more units to build your first reliable team.
Best Starter Units for Begin Your Adventure
The table below in our Roblox Universal Tower Defense Z Beginner Guide includes the best starter units to help you build your first team. It provides details on how to obtain each unit and explains why they are perfect choices for beginners looking to progress faster.
|
Unit |
How to Obtain and Why It's Great for Beginners |
|
Kimpachi (Berserker) |
How to Obtain: Permanent beginner code Deals very high damage and helps you clear early-game stages easily. Make sure to farm the Berserker Cleaver in Hollow Moon Legend Stage Act 3 to gain a massive damage boost about 800%. |
|
Fern |
How to Obtain: Permanent beginner code A strong support unit that boosts your team and helps you survive difficult battles. |
|
Ichigo (Rage) |
How to Obtain: Complete Ichigo's Raid and collect materials from the Hollow Shop to evolve him Easy to obtain, deals strong AoE damage, and is perfect for early and mid-game progression. |
Strong Early Game Team Tip: Ichigo (Rage) + Fern + Kimpachi is a strong early-game team. Start your adventure with this perfect combination to progress faster.
Understand the Unit Roles for Smart Placements
Your units in Universal Tower Defense Z have different roles according to their placement during battles. Mastering these unit roles is the best way to position them in the correct places on the map to stop the incoming enemy waves. Below are the unit roles and their positions.
|
Role |
Best Placement |
Main Function |
|
Hybrid |
Hill or Ground spots |
Deals good damage in most situations |
|
Hill |
Only on Hill spots |
Attacks enemies from long range |
|
Ground |
Only on Ground paths |
Deals steady damage to nearby enemies |
|
Support |
Hill or Ground spots |
Buffs your team and weakens enemies. Place them behind DPS units. |
|
Farm |
Hill or Ground areas |
Generates extra Cash and resources. Place in safe areas away from enemies. |
Tip for Unit Placement: Always combine different roles to build a balanced team including six units. Place Farm and Support units in safe positions while positioning DPS units (Hybrid, Hill, and Ground) where they can hit the most enemies.
Farm More Trait Rerolls for Stronger Units
The Trait System of Roblox Universal Tower Defense Z is one of the most powerful ways to boost your units. Traits help your units receive massive permanent boosts that increase important stats like extra damage, better range, or faster cooldowns, making your units much stronger. There are different Trait types available for units, and each one provides different stat boosts. You can use Trait Rerolls to apply new traits to your units. So, let's see how the Trait System works and how to obtain more Trait Rerolls.
How Trait System Works
The table below shows the different Traits, their rarities, and the stat boosts each Trait offers when rerolling:
|
Trait |
Rarity |
Trait Effects |
|
Ruler |
0.1% |
+200% DMG, -20% CD, +30% RNG, 1 placement limit |
|
Astral |
0.45% |
+20% Affliction Duration, -20% SPA, +15% Range |
|
Sacred |
0.3% |
+25% Damage, +25% Range, -10% SPA, -15% Cost |
|
Duelist |
0.8% |
+35% Boss damage, +25% Crit rate, +20% Range |
|
Fortunate |
1% |
+20% Income for farm units |
|
Wizard |
1.5% |
+15% Elemental DMG, -10% SPA |
|
Prodigy |
2% |
+30% DMG, +10% Crit rate, -5% CD |
How to Farm More Trait Rerolls
You have to use Trait Rerolls for applying traits to your units. However, if you are looking for more powerful traits like Ruler, Astral, or Sacred, you will need more Trait Rerolls to increase your chances of obtaining them. You can follow these Roblox Universal Tower Defense Z tips below to obtain more Trait Rerolls.
|
Source |
How to Farm Trait Rerolls |
|
Raids |
Complete the 6 available Raids every week to get 600 Trait Rerolls. |
|
Ultra Boss Shop |
Visit the Ultra Boss Shop and purchase Trait Rerolls using the available rewards. You can get up to 500 Rerolls per week. |
|
Featured Challenges |
Complete Featured Challenges daily to collect more Trait Rerolls. With 3 categories giving 65 Rerolls per day. |
|
Extraction Mode |
Play Extraction Mode repeatedly to farm more Trait Rerolls. Each run rewards around 40 Rerolls. |
|
Codes & Events |
Redeem active codes and participate in special events to receive free Trait Rerolls. These rewards usually provide around 200+ extra Rerolls. |
Best Units from the Current Meta
There are some units that stand out because of their excellent performance in battles. These units offer high damage, useful abilities, and strong overall value, making them some of the best choices for both beginners and experienced players.
|
Unit |
How to Get |
Why It's Good |
|
Spider-Man Trio |
Extraction Mode |
One of the strongest Hybrid units in the game. High damage, strong effects, great farming units |
|
Unrivaled Grammy |
Banner / Unrivaled System |
One of the best late-game units with huge damage |
|
Ichigo (Rage / Evolved) |
Ichigo Raid + Hollow Shop |
Easy to evolve, strong damage, great for beginners |
|
Rukia (Evolved) |
Banner Summon |
Great crowd control unit, freeze and slow enemies, deals strong AOE damage, easy to build |
|
Joker |
Hard Extraction Mode |
Very powerful unit with excellent skills |
|
Summer Capsule Units |
Summer Capsule |
Not worth using unless you have extra currency |
Essential Farming Strategies for Beginners
Efficient farming is always important for making fast progress in Universal Tower Defense Z, especially for beginners. With better farming strategies, you can make your progression easier and keep grinding important resources from the beginning. So, follow these Roblox Universal Tower Defense Z tips to farm more resources and progress faster:
- AFK farm any stage that you can clear easily and leave it running to slowly earn Gems, Gold, and Universal Fragments.
- Prioritize the Granotica Raid, as it provides multiple valuable currencies, including Gems.
- Complete all weekly Raids to earn around 600 Rerolls, along with extra Gold and Gems.
- Finish Daily Challenges to obtain up to 220 Rerolls per day and additional rewards.
- Regularly farm the Extraction Game Mode. This mode gives 40 Rerolls per run, strong Spider-Man units, and extra currencies.
- Sell unwanted items and duplicate units to maintain a healthy Gold supply for summons and upgrades.
- Progress through Story and Event stages to farm more Gems and Universal Fragments.
- Always redeem active Roblox Universal Tower Defense Z codes to claim free Rerolls, Gems, Gold, and other useful rewards.
People Also Ask
What are the best starter units in Roblox Universal Tower Defense Z?
The best starter units for beginners are Kimpachi (Berserker), Fern, and Ichigo (Rage). Kimpachi provides high damage, Fern supports your team, and Ichigo (Rage) helps clear waves with powerful AoE attacks.
How can I get more Trait Rerolls in Universal Tower Defense Z?
You can farm Trait Rerolls by completing Raids, Ultra Boss Shop purchases, Featured Challenges, Extraction Mode, and special events. Also you can redeem active codes for free Trait Rerolls.
How many units do you need to build a team in Universal Tower Defense Z?
You need six units to build a team in Universal Tower Defense Z. Always try to create a balanced team by combining different roles, including hybrid DPS units, hill and ground units, support units and farm units.
Conclusion
And that's it. We have covered everything from this Roblox Universal Tower Defense Z Beginner Guide that will help all new players get started. You can use these tips to build a strong starter team, summon powerful units, farm important resources, and upgrade your traits for faster progression in the early game. And if you are a beginner looking for a better start, just follow these strategies and begin your adventure with confidence
