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Steam News7 March 20264mo ago

Ad Iterum on Steam Deck

The latest build is out! Quick update to share that the Steam playtest is now available via Windows x64, or Steam Deck! New stuff Behavioral effects like charm, pacify, stun, and confusion now work on every enemy type.

In this update4

Full notes

Full Ad Iterum update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

2 fixes2 additions3 changes1 removal
  • Gameplay
  • Maps
  • Balance
  • UI and audio
addedQuick update to share that the Steam playtest is now available via Windows x64, or Steam Deck!
changedImprovementsMap generation, enemy spawns, loot, and combat rolls are now fully deterministic from the seed. Same seed, same dungeon.
addedImprovementsSmall, handcrafted rooms now appear carved into the dungeon sprinkled here and there, adding variety to each floor layout.
changedBalanceAll throwable effect durations increased. Status effects stick around longer, making tactical plays more rewarding.
changedBalanceDeeper floors get harder through more modifiers and enemy variety, not inflated numbers.
fixedBug fixesRanged weapons (Eruptor, Sling, ...) now correctly use their configured range for targeting.

Ad Iterum changes

addedQuick update to share that the Steam playtest is now available via Windows x64, or Steam Deck!
changedMap generation, enemy spawns, loot, and combat rolls are now fully deterministic from the seed. Same seed, same dungeon.
addedSmall, handcrafted rooms now appear carved into the dungeon sprinkled here and there, adding variety to each floor layout.
changedAll throwable effect durations increased. Status effects stick around longer, making tactical plays more rewarding.
changedDeeper floors get harder through more modifiers and enemy variety, not inflated numbers.

The latest build is out!

Quick update to share that the Steam playtest is now available via Windows x64, or Steam Deck!

New stuff

  • Behavioral effects like charm, pacify, stun, and confusion now work on every enemy type.

  • Throwables are far more useful now.

  • Bosses are immune to most status effects, but not all of them. Experiment and find out which ones slip through.

Improvements

  • Map generation, enemy spawns, loot, and combat rolls are now fully deterministic from the seed. Same seed, same dungeon.

  • Small, handcrafted rooms now appear carved into the dungeon sprinkled here and there, adding variety to each floor layout.

Balance

  • All throwable effect durations increased. Status effects stick around longer, making tactical plays more rewarding.

  • Deeper floors get harder through more modifiers and enemy variety, not inflated numbers.

Bug fixes

  • Ranged weapons (Eruptor, Sling, ...) now correctly use their configured range for targeting.

  • Disassemble option now properly appears for equippable items in inventory.

  • Mutation name no longer lingers in HUD after player death.

Source

Steam News / 7 March 2026

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