Defender (1982)(Acornsoft)[h TSTH][bootfile]
Defender – Modified (1983)(Acornsoft)[h TSTH][bootfile]
Super Defender (1983)(Acornsoft)[h TSTH][bootfile]
Ultron (19xx)(Alligata)[h TSTH][t][bootfile-infinite Lives]
Warehouse (1987)(Pillar Graphics)[h TSTH][t][bootfile-infinite Lives]
Demolator (19xx)(Visions)[h TSTH][t][bootfile-infinite Lives]