Start a level that requires your hero to complete a task. When you complete the task press the 'Pause' button and quit. You will notice that you still have the money and Hero Exp that you earned in the level.
If you go to Smith and then turn around three times and talk to him you will get 500,000 Coins. If you turn around 6 times you will get 100 free Platinum.
<br><table width='100%' cellpadding=3 cellspacing=3 border=0><tr valign='top'><th>Achievement</th><th>How to unlock
</th></tr><tr valign='top'><td>Anger Management (10 points)</td><td>Upgrade God's Anger to the MAX level.
</td></tr><tr valign='top'><td>Bam! Bam! Bam! (10 points)</td><td>Upgrade Blaster to the MAX level.
</td></tr><tr valign='top'><td>Bee Better Than Fly (5 points)</td><td>Upgrade Armed Aircraft to the MAX level.
</td></tr><tr valign='top'><td>Being Mysterious (10 points)</td><td>Upgrade Wizard to the MAX level.
</td></tr><tr valign='top'><td>Cannon Over Arrows (5 points)</td><td>Upgrade Gunner to the MAX level.
</td></tr><tr valign='top'><td>Conquering the World (10 points)</td><td>Clear ACT 6.
</td></tr><tr valign='top'><td>First Step (5 points)</td><td>Clear the first stage.
</td></tr><tr valign='top'><td>Forward (10 points)</td><td>Clear ACT 2.
</td></tr><tr valign='top'><td>Future Warrior (10 points)</td><td>Upgrade Heavy Armed Robot to the MAX level.
</td></tr><tr valign='top'><td>Invincible Drill (10 points)</td><td>Upgrade Drill Aircraft to the MAX level.
</td></tr><tr valign='top'><td>Modern Weapon (10 points)</td><td>Upgrade Missile to the MAX level.
</td></tr><tr valign='top'><td>Rain of Arrows (10 points)</td><td>Upgrade Arrow to the MAX level.
</td></tr><tr valign='top'><td>Recharge (10 points)</td><td>Upgrade MP to the MAX level.
</td></tr><tr valign='top'><td>Robin Hood (5 points)</td><td>Upgrade Archer to the MAX level.
</td></tr><tr valign='top'><td>Sky is Clear (10 points)</td><td>Upgrade Armed Chopper to the MAX level.
</td></tr><tr valign='top'><td>Start of the Conquest (5 points)</td><td>Clear ACT 1.
</td></tr><tr valign='top'><td>Sword is the Best (5 points)</td><td>Upgrade Heavy Armor Swordsman to the MAX level.
</td></tr><tr valign='top'><td>Sword Master (5 points)</td><td>Upgrade Swordsman to the MAX level.
</td></tr><tr valign='top'><td>The Best Fly (10 points)</td><td>Upgrade Aircraft to the MAX level.
</td></tr><tr valign='top'><td>The Biggest Nation (10 points)</td><td>Clear ACT 4.
</td></tr><tr valign='top'><td>The Clincher (10 points)</td><td>Upgrade Angel to the MAX level.
</td></tr><tr valign='top'><td>The Machine Era (10 points)</td><td>Upgrade Armed Robot to the MAX level.
</td></tr><tr valign='top'><td>Towards the End (10 points)</td><td>Clear ACT 5.
</td></tr><tr valign='top'><td>Turning Point (10 points)</td><td>Clear ACT 3.
</td></tr><tr valign='top'><td>Veteran Spearman (5 points)</td><td>Upgrade Spearman to the MAX level.
</td></tr><tr valign='top'><td>Where is the Bomb? (10 points)</td><td>Upgrade Vulture to the MAX level.
</td></tr></table>