Text taken from PSP-Updates:
Michal Skorupka has emailed us his port of Crimson Fields for the PSP, based on the PC port v0.4.9 by Jens Granseuer. Crimson Fields is a tactical war game in the tradition of Battle Isle. In this strategic battle, you must deploy your units and gain the tactical advantage to vital locations across the map to complete the mission objective. Objectives range from defending vital locations to annihilating all enemy forces. This game is definitely ported well and has great gameplay.