 The coaster was set to open in May 2020, however on March 30, 2020, Six Flags announced the season opening of La Ronde was indefinitely delayed, or potentially even cancelled, due to the COVID-19 pandemic.As a result, construction of Vipere has been put on hold until later in the year, or failing that, by 2021.Vipère is an Intamin ZacSpin roller coaster where riders zig zag along a track at speeds of up to .