No-brainer Heroes casts the player as a town lord in a land overwhelmed by demonic corruption. The goal is to gather and train scattered warriors, then lead them against the awakened Black Dragon. Its roster of 25 heroes is built around distinct characteristics, with the game emphasizing team combinations rather than a single best choice.
Each adventure asks players to match heroes and treasures, weighing how those choices work together. There are 50 treasures to collect, while map chapters offer route choices that can lead to different heroes and treasures. Random events add decisions with rewards or penalties, and town facilities such as a market, equipment store, smithy, and clock tower provide another layer of team development. The six dragons give the campaign its larger challenge, while a weekly play format lets players choose heroes, treasures, and starting rewards at the beginning of an adventure.
The game is listed as single-player, so its player-count context is individual campaign play rather than a shared multiplayer session. Its mix of route selection, party and treasure combinations, town management, and event choices makes each adventure a strategic effort to prepare a team for the dragons.