Additional artwork sources (retained complete upstream checkouts in research/upstream):
- https://github.com/jiangnangame/The-Open-Source-Version-Of-PvZ-Travel — cabbage, kernel, melon, imitater.
- https://github.com/Plants-vs-Zombies-MODDED/game — magnet shroom, cattail, digger, gargantuar.
Plants vs. Zombies: MODDED © 2025 by ROBINET13 & Clay (clay.rip) is dual-licensed. Original PVZM content: PolyForm Noncommercial 1.0.0. Original port derived code by JiangNanGame and LonelyStar: Changjiang River License v3. See accompanying licenses. All Plants vs. Zombies intellectual property remains the exclusive property of PopCap/EA.
- Existing card sheets: MissingYoung/Plants-vs-zombies (663), retained in research/upstream/pvz-assets.
This local experimental derivative does not grant rights to the original artwork or permission for commercial distribution.

- https://github.com/FregD156/PvZ_Assets — original PopCap reanim tracks and sprites for WinterMelon, CobCannon, Umbrellaleaf, Zombie_catapult, Zombie_ladder, Zombie_pogo and Zombie_bungi. Original files retained in ../reanim. Original IP remains PopCap/EA; repository availability is not a grant of original IP rights.