TROUBLESHOOTER: Abandoned Children is a turn-based strategy RPG set in Valhalla, a free-trading nation where public order remains unstable after the government bans its army. The government responds to rising crime by authorizing civilians to investigate and arrest criminals as Troubleshooters. Players follow Albus, a newly official Troubleshooter who begins alone and gradually brings colleagues with their own motivations and stories into his company. Their cases provide the framework for a story-led campaign rather than a single, isolated tactical scenario.
Character development gives the battles room for personal strategy. Each character has a unique class, can advance to an upper class, and can acquire masteries through leveling or from enemies. Combining masteries activates additional effects, letting players shape characters around different strategies. The roster also affects what activities become available: recruiting a hunter unlocks beast taming, while an engineer enables drone crafting. These systems make team growth part of the game’s identity, alongside its independently designed missions and story scenes.
The game is listed as single-player and also supports offline play, with online mode requiring an internet connection. Its appeal, as presented here, rests on following the company’s cases and experimenting with class and mastery combinations.