From publisher blurb:
The Convergence War is a six-part crossover adventure in the worlds of G.I. Taskforce, Robot Defenders, Power Commandos, and Optionally Magical Friendship Ponys. This manual gives you a background on the Convergence War, the Entities and a complete setup to utilize crossover adventures presented in this book and should you design your own. Because the Convergence War deals with multiple dimensions, you have an infinite number of worlds to create and explore beyond describes in the series.
In Part Two: Tides of Entropy,
A splinter group from the international terrorist organization known as Serpentine has demonstrated its new weapon: a powerful gravity ray that causes the Aircraft carrier USS Joe
Colton to capsize in the Pacific. The G.I. Task Force is activated to investigate the tragedy and learn the Entropio Guard, a doomsday cult within Serpentine are the culprits. The Team must interpret clues and hunt down a rogue submarine in the South Pacific before the Entropio Guard can strike again.
This book contains the adventure, write ups for new creatures and new rules.It can run as part of the Convergence War or as a stand alone G.I. Taskforce Adventure.
This source book and adventure is designed for High-Tier level Teen Heroes and is compatible with properties using Essence20 system. It may also be adapted for any systems such as Mutants and Masterminds or 2D20 powers system with some modifications. An Appendix contains stats for the Essence20 enemies and additional rules which are Open Content.