diff --git a/game/src/matrix_card.cpp b/game/src/matrix_card.cpp
index 87c9065..4cba093 100644
--- a/game/src/matrix_card.cpp
+++ b/game/src/matrix_card.cpp
@@ -75,7 +75,7 @@ bool DecodeMatrix(const char* szsrc, const char* szpwd, char* lpdes, const unsig
 
 void MatrixCardRndCoordinate(unsigned int & rows, unsigned int & cols)
 {
-	for (register unsigned int i = 0; i < (ASLENGTH >> 1); i++)
+	for (unsigned int i = 0; i < (ASLENGTH >> 1); i++)
 	{
 		rows |= ((Random::get(0, MAX_ROWS - 1)) & 0x000000FF) << ((4 - i - 1) * 8);
 		cols |= ((Random::get(0, MAX_COLS - 1)) & 0x000000FF) << ((4 - i - 1) * 8);
@@ -98,7 +98,7 @@ bool ChkCoordinate(const unsigned int rows, const unsigned int cols, const char*
 	unsigned short * pmatrix = (unsigned short *)matrix;
 	unsigned short * panswer = (unsigned short *)answer;
 
-	for (register unsigned int i = 0; i < (ASLENGTH >> 1); i++)
+	for (unsigned int i = 0; i < (ASLENGTH >> 1); i++)
 	{
 		if (*(pmatrix + (ROW(rows, i) * MAX_COLS + COL(cols, i))) != *(panswer + i))
 		{
@@ -143,7 +143,7 @@ void GetRightAnswer(const unsigned int rows, const unsigned int cols, const char
 
 	memset(answer, 0, nsize);
 
-	for (register unsigned int i = 0; i < (ASLENGTH >> 1); i++)
+	for (unsigned int i = 0; i < (ASLENGTH >> 1); i++)
 	{
 		char sztemp[3] = { 0, 0, 0 };
 		memcpy(sztemp, (char*)(pmatrix + (ROW(rows, i) * MAX_COLS + COL(cols, i))), 2);