What year was Donkey Kong first released?
1981
1982
1980
1982
1980
1985
1982
1986
1984
1980
1985
1982
1986
1984
1980
1985
1982
1986
1984
1980
1985
1982
1986
1984
1980
1987
1985
1982
1986
1984
1980
1987
1985
1982
1986
1984
1981
1980
1987
1985
1982
1986
1984
1981
1980
1983
1987
1985
1982
1986
1984
1981
1988
1980
1983
1987
1985
1982
1986
1984
1981
1988
1980
1983
1987
1985
1982
1986
1977
1984
1978
1981
1988
1980
1983
1987
1985
1982
1986
1977
1984
1978
1981
1988
1980
1983
1987
1985
1982
1986
1977
1984
1978
1981
1988
1980
1983
1987
1985
1982
1986
1977
1984
1978
1981
1988
1980
1983
1987
1985
1990
1982
1986
1977
1984
1978
1981
1988
1980
1983
1987
1985
1990
1982
1986
1977
1984
1978
1981
1988
1980
1983
1987
1985
1990
1982
1986
1977
1984
1978
1981
1988
1980
1983
1987
1985
1990
1982
1986
1977
1984
1979
1978
1981
1991
1988
1980
1983
1987
1985
1990
1982
1986
1977
1984
1979
1978
1981
1991
1988
1980
1983
1987
1985
1990
1986
1977
1984
1989
1979
1978
1981
1991
1988
1983
1987
1985
1990
1986
1977
1984
1989
1979
1978
1981
1991
1988
1983
1987
1990
1977