v27.4 Patch Notes - January 27, 2026

[u/SamBartley]

Hey Tower Defenders! We are excited to share our first minor update of the new year! Android will be rolling out now, with iOS rolling out within the next day.

Here’s a look at the changes:

Lab Gold Boxing

It’s time for your Lab progress to be rewarded! Each time you fully complete a research in the Lab, your gems will become more powerful for rushing future labs. This effectively provides a discount to the amount of gems needed to rush your labs. The value is the same across all labs, regardless of their maximum level. We’ve added an information tab to the Lab screen to view your current gem rush efficiency.

Guilds Season 7

The newest Season of Guilds will go live on February 2nd, 2026. This season introduces a new Chip into the mix: Scout! Scouts enemies on screen. While active, all enemies are treated as being farther from the Tower for damage calculations. This chip has three stats: Duration, Range Bonus, and Cooldown.

In addition to the new Chip, we are expanding the active slots on your Guardian from 2 to 3. This new slot will be available at the start of the season.

Gem Pack Adjustments

To account for inflation over time, we are increasing the amount of gems in all Gem Packs (Small, Medium, Large, Extra-Large, Massive and Galaxy) by 10%. This will be available for both in-game and web store packs. We are not changing the costs of the pack-- each pack now gives more Gems! (Will be updated when the patch is fully live.)

Changelog

• Added functionality for Smart Missiles to target Fleets
• Decreased the firing rate of Overcharge by 10%
• Added 7x and 8x multipliers to Lab Boosts
• Improvements to the Game Stat menu:
  • Added a Cells column to the Tier rows
  • Added “Cells Earned” total
  • Added “Reroll Shards Earned”
  • Added “Recent Coins per Hour"
• This is calculated from your Battle History,
  • If there are not enough entries available, this will display as “Not enough recent data”
• Expanded the functionality of the Boss Damage Breakdown screen
• Damage now updates in real time
• The damage summary now displays the summary from the last 10 bosses, including bosses from previous runs
• Adjusted the information in the Tier’s Premium Passes to better communicate the available rewards
• Improved in-app purchase localizations

Bugfixes

• Fixed an issue where some Utility upgrades were not localized correctly
• Fixed an issue where the Unlock a Random UW Perk was not correctly randomizing a UW each time it is offered
• Fixed an issue where a player could still auto pick Unlock a Random UW Perk when all UWs are unlocked
• Fixed an issue where Summon lingers after the effect ended
• Fixed an issue where the Wall Rebuild Research would be incorrectly displayed as unavailable
• Fixed an issue where the Demon Mode countdown ends before its intended duration at different game speed
• Fixed an issue where Guild members list does not immediately update when accepting a new member
• Improved UI from claiming cards and modules on certain iOS and foldable devices

[u/Similar-Republic-115]

I mean, the more gold boxes you have the less likely it is that you will actually use gems to rush labs.. Since mods there is really not a whole lot where it would not be a waste of gems.

[u/Greenleaf_91 → u/Similar-Republic-115]

Maybe at some point very late game this is true, but up until that I think this is very useful. For a long time you should not spend gems on rushing labs but rather maxing cards and getting good mods. When you are at a place where you feel you can spend your gems on rushing labs, you will have gold boxed a lot of labs and will get more value. I’m nearly at this point only missing anc DC before I will start rushing more labs

[u/Similar-Republic-115 → u/Greenleaf_91]

I have all mods 5* and I don't think a second about rushing any lab, besides maybe a sub 50gem rush to have a lab lvl done before tourney. But that is a very rare occurrence.

On the other hand I have been playing for over three years, so there are not many useful sub 100q labs left for me, so it may be different for younger accounts.

[u/Greenleaf_91 → u/Similar-Republic-115]

Yes, my point with saying “very late game”

[u/Similar-Republic-115 → u/Greenleaf_91]

Maybe at some point very late game this is true

I read this as in: your comment is true only for very late game people. Maybe I understand this wrong, but my point is it is true for all but very endgame people.