The same list the game's about screen carries; the licences ask for these lines wherever the work is shown.
Godot Engine 4.7, MIT Licence
Icons by Lorc, Delapouite and Quoting,from game-icons.net (CC BY 3.0)
Black Ops One and Barlow Condensed,SIL Open Font Licence
"War on Water: Tracks" by yd,"Some Militaristic Tune" by Spring Spring,from OpenGameArt (CC0)
Mobile Controls by Kenney (CC0)
Steel Cadence: Tanks 1945 — game, models and art by TechSnap e.U., Vienna.