Darius (ダライアス, Daraiasu) is a shoot 'em up arcade game released by Taito in February 1987, although its title screen indicates a 1986 copyright. It is the first game in the Darius series, known for using a unique three-screen arcade cabinet setup, non-linear level design and multiple endings.

A port by Softek and The Edge was released for the Amiga and Atari ST titled Darius+. An expanded port by Bits Laboratory and NEC was released for the PC Engine's Super CD-ROM² titled Super Darius (スーパーダライアス, Sūpā Daraiasu). Another expanded port was made for the PC Engine itself, titled Darius Plus (ダライアス・プラス, Daraiasu Purasu), which is similar to the Amiga and Atari ST title. A boss rush version of Darius Plus was released under the name Darius Alpha (ダライアス・アルファ, Daraiasu Arufa). In August 2016 the original arcade version was re-released for PS4 in Japan and other Asian PS-Store's, the port was made by Hamster Corporation and is part of the Arcade Archives on PS4.

Darius screenshots