diff --git a/.gitignore b/.gitignore
index b2eabb93e1..7aabfbf32a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,15 +18,20 @@ ipch
 *.opensdf
 *.idb
 *.vcxproj
+*.vcxproj.filters
 *.sln
+[Dd]ebug*/
+[Rr]elease*/
 
 # OSX/Linux build products
+*.DS_Store
 *.mak
 *.mak.vpc_crc
 *.xcodeproj/
 obj*/
 !devtools/*.mak
 !utils/smdlexp/smdlexp.mak
+*_osx32*
 
 # Specific Source build products
 client.pdb
@@ -48,6 +53,12 @@ client.dylib.dSYM/
 server.dylib
 server.dylib.dSYM/
 
+*.vpc.sentinel
+*.vpc_crc
+**/generated_proto/**
+**/src/utils/sapi51/**
+**/game/**/bin/**
+
 # files generated by running a mod
 config.cfg