Loss of Lemmings: Zero
Click a Glue Pourer - the glue will run to disable the dragon's trigger. Wait for the last Lemming, and make it Rope up to the ledge on the right. Make it a Floater. Position the catapult with 2 links of chain showing on the right. Let the Lemming be launched, reflect and Glue left from beneath the horde, sealing off the lake. Bomb at the left hand end of the horde. If necessary, Balloon the last Lemming past the catapult.