91 indieWIRE | Eric Kohn This could be a recipe for excessive self-indulgence, but the meta quality of Red Flag is entirely irrelevant to its low key charm and persistent irreverence -- anchored, as always, by Karpovsky's loopy screen presence. Read full review
83 The Playlist | Katie Walsh It’s a fun, laugh-out-loud dark comedy, and proves that Alex Karpovsky and crew have made their mark. Read full review
80 NPR | Ian Buckwalter A hilarious meta-comedy in which Karpovsky, playing a version of himself, goes on a roadshow tour for a movie he's directed. Read full review
80 Salon.com | Andrew O'Hehir If it's all reasonably familiar indie-comedy terrain, it's delivered at a brisk, economical clip with plenty of laughs, and a series of running gags that keep getting funnier. Read full review