Complex sentence: Prior to release only "Forever Lost" was promoted as a commercial single and this was followed up by later releases "Love Me Like You", "Love's a Game" and "I See You, You See Me".
Split into simpler sentences: Prior to release, only "Forever Lost" was promoted as a commercial single. This was followed up by later single releases "Love Me Like You", "Love's a Game" and "I See You, You See Me".