When human civilization is invaded by alien technology, and the last refuge is at stake, you will take on the responsibility of the commander and lead the surviving Commanders to seek the hope of survival and the truth of the war.

***Shelter x Commanders***
Hundreds of Commanders with different personalities, earn dozens of scientific and technological arms, build a new world for human beings under the last 3D shelter, steel roses fight against apocalypse.

***Free Cultivation x Battle Tactics***
Ever-changing battlefield situation is vital to the commander's skills and strategies, technology and troops are interlinked and restrained. Infinite possible card incremental routes, infinitely variable formations, infinite tactics options.

***Four Legions x Defeat Enemies***
Fight together with Team Fortress and global allies, defending against the invasion of elite 'Calamity Weapons', defeating World Boss and occupy the space-time relics to take the lead.

***The Truth in Doomsday x Mysterious Adventures***
Fantastic post-apocalyptic wasteland plots.All truths about whether it is an ancient conspiracy or a foreign intrigue will be disclosed after witnessing the sudden appearance of time and space relics, advanced technology from alien World, the cruel doings of Calamity Weapons army.