What is Kingdom of Ashes - Overflow?
If you've already got the base game, the Overflow DLC is a total no-brainer that completely flips the script on your strategy. It introduces a reservoir system that turns your resource management into a high-stakes game of spilling elements to trigger massive attacks.


Gameplay
You're not just playing cards for flat effects here; you're managing the Reservoir System. You spend your turns filling Aqua and Lava pools, but there's a hard cap on how much they can hold. The real magic happens when you decide to let them overflow. You can Flood to outlast the enemy or Erupt to smash through defenses, but you'll really be hunting for that Steam synergy by converging both elements. It's a high-stakes resource game that reminds me of Monster Train—one bad move with your reservoirs and your run is toast, but hitting that perfect overflow feels incredible.
With 3 new heroes, 35 cards, and 6 relics, the run variety gets a serious boost. You can't just spam the same three cards like you might in the base game because the tension between Aqua and Lava forces you to pivot your build. You'll spend a lot of time experimenting with how to trigger those massive payoffs. It's not all smooth sailing, though. Some of the 9 new enemies feel like total bullet sponges, and you'll likely tank a few runs early on just trying to wrap your head around the overflow math. At $4.99, it's a cheap addition, but it definitely adds a layer of complexity that changes how you think about every single turn.
Key Features
- Aqua and Lava reservoir management
- Flood, Erupt, and Steam synergies
- 3 new heroes with exclusive cards
- 35 new cards and 6 relics
Screenshots
Verdict
Grab this if you love the base game and want a mechanical twist that actually feels fresh. Skip it if you hate steep learning curves or fighting enemies that feel like bullet sponges. It's an 8/10 value add for the price.
View on Steam →* Price at time of publication (checked 11.07.2026). Prices may vary by region and are subject to change. This is an editorial review, not a commercial offer.