I have never played anything of the Metal Gear series but judging from the screen shots of Metal Gear 1 the Solarus Game Engine might be a good choice. It is open source, has Lua scripting and was made for Zelda like games.
I have never played anything of the Metal Gear series but judging from the screen shots of Metal Gear 1 the Solarus Game Engine might be a good choice. It is open source, has Lua scripting and was made for Zelda like games.