diff --git a/code/cgame/cg_public.h b/code/cgame/cg_public.h
index b252768..2f2e0ab 100644
--- a/code/cgame/cg_public.h
+++ b/code/cgame/cg_public.h
@@ -29,7 +29,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 // needs to be larger than PACKET_BACKUP
 
 
-#define	MAX_ENTITIES_IN_SNAPSHOT	8192
+#define	MAX_ENTITIES_IN_SNAPSHOT	4096
 
 // snapshots are a view of the server at a given time
 
diff --git a/code/qcommon/cvar.c b/code/qcommon/cvar.c
index db02eb5..c3e970e 100644
--- a/code/qcommon/cvar.c
+++ b/code/qcommon/cvar.c
@@ -29,7 +29,7 @@ static cvar_t	*cvar_cheats;
 static cvar_t	*cvar_developer;
 int			cvar_modifiedFlags;
 
-#define	MAX_CVARS	65536
+#define	MAX_CVARS	16384
 static cvar_t	cvar_indexes[MAX_CVARS];
 static int		cvar_numIndexes;
 
diff --git a/code/qcommon/q_shared.h b/code/qcommon/q_shared.h
index 93972a7..40ccef5 100644
--- a/code/qcommon/q_shared.h
+++ b/code/qcommon/q_shared.h
@@ -1088,10 +1088,10 @@ typedef enum {
 //
 // per-level limits
 //
-#define	MAX_CLIENTS			400		// absolute limit
+#define	MAX_CLIENTS			256		// absolute limit
 #define MAX_LOCATIONS		64
 
-#define	GENTITYNUM_BITS		13		// don't need to send any more
+#define	GENTITYNUM_BITS		12		// don't need to send any more
 #define	MAX_GENTITIES		(1<<GENTITYNUM_BITS)
 
 // entitynums are communicated with GENTITY_BITS, so any reserved
@@ -1115,7 +1115,7 @@ typedef enum {
 
 #define	RESERVED_CONFIGSTRINGS	2	// game can't modify below this, only the system can
 
-#define	MAX_GAMESTATE_CHARS	16000*8
+#define	MAX_GAMESTATE_CHARS	16000*16
 typedef struct {
 	int			stringOffsets[MAX_CONFIGSTRINGS];
 	char		stringData[MAX_GAMESTATE_CHARS];
diff --git a/code/qcommon/qcommon.h b/code/qcommon/qcommon.h
index ede98bc..f9686bc 100644
--- a/code/qcommon/qcommon.h
+++ b/code/qcommon/qcommon.h
@@ -150,7 +150,7 @@ NET
 
 #define	MAX_PACKET_USERCMDS		32		// max number of usercmd_t in a packet
 
-#define	MAX_SNAPSHOT_ENTITIES	8192
+#define	MAX_SNAPSHOT_ENTITIES	4096
 
 #define	PORT_ANY			-1
 
@@ -213,9 +213,9 @@ void		NET_LeaveMulticast6( void );
 #endif
 qboolean	NET_Sleep( int timeout );
 
-#define	MAX_PACKETLEN	65000	// max size of a network packet
+#define	MAX_PACKETLEN	22400	// max size of a network packet
 
-#define	MAX_MSGLEN		1000000	// max length of a message, which may
+#define	MAX_MSGLEN		262144	// max length of a message, which may
 								// be fragmented into multiple packets
 
 #define	MAX_MSGLEN_BUF	(MAX_MSGLEN+8)	// real buffer size that we need to allocate
diff --git a/code/qcommon/qfiles.h b/code/qcommon/qfiles.h
index df2ce13..e1dc228 100644
--- a/code/qcommon/qfiles.h
+++ b/code/qcommon/qfiles.h
@@ -28,7 +28,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 //
 
 // surface geometry should not exceed these limits
-#define	SHADER_MAX_VERTEXES	65536
+#define	SHADER_MAX_VERTEXES	1000*16
 #define	SHADER_MAX_INDEXES	(6*SHADER_MAX_VERTEXES)
 
 
@@ -78,7 +78,7 @@ typedef struct {
 #define	MD3_MAX_TRIANGLES	65535	// per surface
 #define MD3_MAX_VERTS		32768	// per surface
 #define MD3_MAX_SHADERS		256		// per surface
-#define MD3_MAX_FRAMES		4096	// per model
+#define MD3_MAX_FRAMES		1024	// per model
 #define	MD3_MAX_SURFACES	128		// per model
 #define MD3_MAX_TAGS		64		// per frame
 
@@ -330,9 +330,9 @@ typedef struct {
 #define	MAX_MAP_LIGHTGRID	0x800000
 #define	MAX_MAP_VISIBILITY	0x200000
 
-#define	MAX_MAP_DRAW_SURFS	0x800000
-#define	MAX_MAP_DRAW_VERTS	0x800000
-#define	MAX_MAP_DRAW_INDEXES	0x800000
+#define	MAX_MAP_DRAW_SURFS	0x20000*2
+#define	MAX_MAP_DRAW_VERTS	0x80000*2
+#define	MAX_MAP_DRAW_INDEXES	0x80000*2
 
 
 // key / value pair sizes in the entities lump
diff --git a/code/renderer/tr_local.h b/code/renderer/tr_local.h
index 1ea689f..832c8b8 100644
--- a/code/renderer/tr_local.h
+++ b/code/renderer/tr_local.h
@@ -135,7 +135,7 @@ typedef enum {
 } shaderSort_t;
 
 
-#define MAX_SHADER_STAGES 256
+#define MAX_SHADER_STAGES 64
 
 typedef enum {
 	GF_NONE,
@@ -287,8 +287,8 @@ typedef struct {
 } texModInfo_t;
 
 
-#define MAX_IMAGE_ANIMATIONS		256
-#define MAX_IMAGE_ANIMATIONS_VQ3	256
+#define MAX_IMAGE_ANIMATIONS		64
+#define MAX_IMAGE_ANIMATIONS_VQ3	64
 
 #define LIGHTMAP_INDEX_NONE			0
 #define LIGHTMAP_INDEX_SHADER		1
@@ -913,7 +913,7 @@ void		R_Modellist_f (void);
 #define	MAX_SKINS				1024
 
 
-#define	MAX_DRAWSURFS			0x1000000
+#define	MAX_DRAWSURFS			0x200000
 #define	DRAWSURF_MASK			(MAX_DRAWSURFS-1)
 
 /*
@@ -1864,8 +1864,8 @@ typedef enum {
 // these are sort of arbitrary limits.
 // the limits apply to the sum of all scenes in a frame --
 // the main view, all the 3D icons, etc
-#define	MAX_POLYS		327680
-#define	MAX_POLYVERTS	655360
+#define	MAX_POLYS		65536
+#define	MAX_POLYVERTS	65536*2
 
 // all of the information needed by the back end must be
 // contained in a backEndData_t