In what year was the first Halo game released?
2001
1993
1991
1993
1991
1993
1991
1993
1991
1993
1991
1993
1991
1993
1991
1993
1991
1993
1995
1996
1990
1991
1992
1993
1995
1996
1990
1991
1992
1993
1995
1996
1990
1991
1994
1992
1993
1997
1995
1996
1990
1991
1994
1992
1993
1997
1995
1996
1990
1991
1994
1992
1993
1997
1995
1996
1990
1991
1994
1992
1993
1997
1995
1996
1990
1991
1994
1992
1993
1997
1995
1996
1990
1991
1994
1992
1993
1997
2001
1995
1996
1990
1991
1994
1992
1993
1997
2001
1995
1996
1990
1991
1994
1992
1993
1997
2001
1995
1996
1990
1991
1994
1992
1993
1997
2001
1995
1996
1990
1991
1994
1992
1997
2001
1995
1996
1990
1994
1992
1997
2001
1995
1996
1990
1994
1992
1997
2001
1995
1996
1990
1994
1992
2003
1987
1997
2001
1995
1996
1990
1994
1992
2003
1987
1997
2001
1995
1996
1990
1994
1992
2003
1987
1997
2001
1998
1995
1996
1990
1994
1992
2003
1987
1997
2001
1998
1995
1996
1990
1999
1994
1992
2003
1987
1997
2001
1998
1995
1996
1990
2002
1999
1994
1992
2003
1987
1997
2001
2004
1998
2002
1999
1994
2003
1987
1997
2001
2004
1998
2002
1999