Misc balance / Fixed unobtainable achievement

core/src/mindustry/service/Achievement.java

@@ -36,7 +36,7 @@ public enum Achievement{
     obtainTitanium,
     suicideBomb,
     buildGroundFactory,
-    issueAttackCommand,
+    issueAttackCommand, //TODO change desc
     active100Units(SStat.maxUnitActive, 100),
     build1000Units(SStat.unitsBuilt, 1000),
     buildAllUnits(SStat.unitTypesBuilt, 30),

core/src/mindustry/service/GameService.java

@@ -113,6 +113,12 @@ public class GameService{
             captureAllSectors.complete();
         }
 
+        Events.run(Trigger.unitCommandAttack, () -> {
+            if(campaign()){
+                issueAttackCommand.complete();
+            }
+        });
+
         Events.on(UnitDestroyEvent.class, e -> {
             if(campaign()){
                 if(e.unit.team != Vars.player.team()){