Defense Zone HD Lite vs Orbital Defense Protocol

Stunning detail of levels, in-depth gameplay, finely tuned balance of all levels and turrets. During the game you will hold your defence with your turrets against the massive hordes of enemies. With every level you will have the use of new weapons at your command. It is up to you, commander, how to spend the resources: restore and upgrade your veteran units or to purchase some new ones. Different types of weaponry and landscape provide you with a variety of choices of defence tactics. Choosing the right weapons and the correct placement is key to any successful defence. The weapons have different firepower, rate of fire, firing range, blast radius and price.

Orbital Defense Protocol is a fast, focused, portrait-mode tower defense for iPhone and iPad. Place turrets, set traps, call orbital strikes, and hold the line through 10 sections of escalating hostile waves. CORE LOOP • Drag turrets onto the grid during prep. Tap to upgrade, sell, or specialise. • 6 archetypes: Pulse, Railgun, Frost, Blast, Gatling, and Command. Each upgrades in three channels (Damage / Range / Rate) and forks into a permanent specialisation at tier 6. • 5 trap and ability cards: Spike Strip, Slow Goo, Knockback Plate, Orbital Strike, and Stasis Field. Drag to deploy. • Tap MONSTERS to see the next wave's hostile profile — HP, speed, armor, shield resist — and pick the right damage type. DESTRUCTIBLE BATTLEFIELD • Walling off the path is legal. Hostiles will pound your turrets to rubble — every tower has hull HP, every enemy has melee DPS. • Rocks blocking your line of fire? Tap them. Spend $50, clear the tile, reroute the enemy path. • 7 hostile archetypes: BASIC, FAST, TANK, FLIER, SHIELDED, HEALER, BOSS. Each has its own counter. CAMPAIGN • 10 sections × 20 waves = 200 levels. • 5 difficulties from Easy to Extreme — adjustable per run. • Persistent top-scores leaderboard tracks your best clears and wipes. NO FRICTION • No ads. • No in-app purchases. • No network required — plays anywhere. • No data collected, no analytics, no tracking. Built for one-handed portrait play. Boots in seconds, drops you straight into the build phase. Set a difficulty, tap ENGAGE HOSTILES, and defend.