Steam Age - Day 1, Plants vs. Zombies Wiki

Steam Age - Day 1 is the first level of Steam Age in the Chinese version of Plants vs. Zombies 2. Sewers make their first appearance in this level. When this level is finished for the first time, the player unlocks Flat-shroom.

Heian Age, Plants vs. Zombies Wiki

Still not sure if anyone's talking about this, but the Steam Age Zombot has been fully revealed. : r/PlantsVSZombies

Steam Age - Day 20, Plants vs. Zombies Wiki

Kongfu World - Day 1, Plants vs. Zombies Wiki

Steam Zombot, Plants vs. Zombies Wiki

Modern Day - Day 2, Plants vs. Zombies: Reflourished Wiki

Fog, Plants vs. Zombies Wiki

Ancient Egypt, Plants vs. Zombies Wiki

Renaissance Age - Day 10 - The Plants vs. Zombies Wiki, the free Plants vs. Zombies encyclopedia

Plants vs. Zombies 2 Steam Ages Day 1 - Test Gameplay [International Version]

Modern Day - Day 1 (Chinese version) - The Plants vs. Zombies Wiki, the free Plants vs. Zombies encyclopedia

Steam Age, Plants vs. Zombies Wiki