Heart of Steel: Secret Mission is a dating simulation based on mobile armor combat and a thrilling romance.

In a world ravaged by war, you become the commander of an Allied mobile armor platoon and are given a secret mission to destroy a powerful new type of mobile armor being developed in a secret Imperial research center. Limited time is only 1 month. Create your own story through combat, scouting, and relationships with your teammates.

Build goodwill by performing missions with three platoon members with different charms. After the mission is over, you can experience a special happy ending with your closest platoon member. But, if you can't form a bond with anyone... The outcome of the war may end in tragedy.

Game Features:
Various relationship stories: Talk to attractive characters, build goodwill, and experience special events.
Multiple Endings: Depending on your choices and actions, the story leads to multiple endings.
Immersive world view: An immersive story unfolding in detailed settings and beautiful backgrounds.
Background music: Unique BGM and cool theme song provided for each character.

Your choice between love and war will change everything. Start “Heart of Steel: Secret Mission” now and dive into an exciting world of battle and romance!