In what year did the first Halo game come out?
2001
1993
1993
1993
1993
1991
1993
1991
1996
1993
1991
1997
1996
1995
1993
1991
1997
1996
1995
1993
1991
1997
1996
1995
1993
2001
1991
1997
1996
1995
1992
1994
1993
2001
1991
1997
1996
1995
1990
1992
1994
1993
2001
1991
1997
1996
1995
1990
1992
1994
1993
2001
1991
1997
1996
1995
1990
1992
1994
1993
2001
1991
1997
1996
1995
1990
1992
1994
1993
2001
1991
1997
1996
1995
1990
1992
1994
1993
2001
1991
1997
1996
1995
1990
1992
1994
1993
2001
2003
1991
1997
1996
1995
1990
1992
1994
1993
2001
2003
1991
1997
1996
1995
1990
1992
1994
1993
2001
2003
1991
1997
1996
1995
1990
1992
1994
1993
2001
2003
2002
1991
1997
1998
1996
1995
2004
1990
1992
1999
1994
1993
2001
2003
2002
1991
1997
1998
1996
1995
2004
1990
1992
1999
1994
2001
2003
2002
1991
1997
1998
1996
1995
2004
1990
1992
1999
1994
2001
2003
2002
1991
1997
1998
1996
1995
2004
1990
1992
1999
1994
2001
2003
2002
1991
1997
1998
1996
1995
2004
1990
1992
1999
1994
2001
2003
2002
2005
1997
1998
1996
1995
2004
1990
1992
1999
1994
2001
2003
2002
2005
1997