"The Great Climate Shift" struck at end of the 21st century. Ninety six percent of the earth’s surface is underwater. Human civilization has fallen. Machines have adopted the shape and form of marine animals.
The ocean is full of creature-machine hybrid monsters. You are a “Hunter” and the new journey begins…
Earth Atlantis is a side-scrolling shooter with an original "Monster-Hunting" gameplay. Search and hunt down dreadful sea monsters and explore the post-apocalyptic underwater world. Unlock multiple ships with special weapons and abilities for your journey and become a legendary hunter!
The game is presented in a very unique and artistic “Old Sketching” visual style, which expresses the essence of the 14th century’s ocean exploration when the sea was considered a dangerous place full of monsters.
Original side-scrolling shooter with monster-hunting objective
Unique “Old Sketching” visual style
Two game modes (Quest mode, Hunter mode)
4 Playable ships with unique weapons
25 large monsters and 4 enemy ships to hunt with 12 special events to complete
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2026-04-21
From Wishlist to Courtroom: The Steam Lawsuits Explained
There have been numerous Steam court case lawsuits throughout the years and ever since the start of the year they have made the pile even bigger! We decided to check out some of the latest accusations against the popular gaming platform as well as go through some of the previous cases that caused a stir of Valve legal issues in the past! Gabe Newell and Valve have definitely not been strangers to the court system…
As you probably know, in a huge variety of game titles there are usually a lot of mainline task objectives, but very often there are multiple side quests that would advance you further in the gameplay. This is exactly why we decided to run a Side Quest promotion on our YUPLAY site. In order to participate in it you have to make an order over 20€ between 17.04.2026 18:10 CET and 20.04.2026 02:00 CET, and you will get a 1€ voucher for next purchase…