Visual Studio 2015 user specific files
.vs/

Compiled Object files
*.slo
*.lo
*.o
*.obj

Precompiled Headers
*.gch
*.pch

Compiled Dynamic libraries
*.so
*.dylib
*.dll

Fortran module files
*.mod

Compiled Static libraries
*.lai
*.la
*.a
*.lib

Executables
*.exe
*.out
*.app
*.ipa

These project files can be generated by the engine
*.xcodeproj
*.xcworkspace
*.sln
*.suo
*.opensdf
*.sdf
*.VC.db
.VC.opendb

Precompiled Assets
SourceArt/**/.png
SourceArt//.tga

Binary Files
Binaries/
Plugins//Binaries/

Builds
Build/*

Whitelist PakBlacklist-<BuildConfiguration>.txt files
!Build//
Build//
!Build//PakBlacklist.txt

Don't ignore icon files in Build
!Build/*/.ico

Built data for maps
_BuiltData.uasset

Configuration files generated by the Editor
Saved/

Compiled source files for the engine to use
Intermediate/*
Plugins//Intermediate/

Cache files for the editor to use
DerivedDataCache/*

.Logs/