Best Tier 3 Units in Superbox Siege Defense

Tier 3 units — the S-rank endgame roster — define whether you farm Death Mode efficiently or struggle through repeat Nightmare attempts. This guide analyzes every top-tier unit in Superbox Siege Defense: Thunderman, Upgraded Titan Tesla, Upgraded Titan Telescope, Ultra Titan Telescope Man, Titan Teslaman, and The Creator. Learn when to invest Points, how each unit performs, and which fits your playstyle.

Tier 3 Unit Rankings

Unit	Unlock	Strength	Best For
Thunderman	Nightmare + 1,250 Points	Map-wide stun	Teams, Nightmare farming, Death Mode
Upgraded Titan Tesla	Death Mode clear	Auto-tracking AOE	Solo Death farming, Endless high waves
Upgraded Titan Telescope	Game Pass	Gravity pull + range	Robux players, survivability focus
Ultra Titan Telescope Man	Robux / Points	Massive HP + ranged DPS	Tank DPS hybrid
Titan Teslaman	Nightmare + 1,250 Points	Guaranteed stun	Tesla role in Death teams
The Creator	Special badge	Summoning support	Niche team compositions

Thunderman: The Meta King

Thunderman is the best overall character. Map-wide stun freezes every enemy simultaneously — trivializing Nightmare reruns and enabling Death Mode teams to burst bosses safely. Purchase immediately after Nightmare clear for 1,250 Points. Pair with Laser Gun. No unit matches Thunderman's team utility until you have beaten Nightmare without him — the catch-22 that makes first Nightmare clear the hardest.

Upgraded Titan Tesla: Death Mode Reward

Auto-tracking attacks eliminate aim requirements — excellent for mobile players and solo Endless farming. Wide AOE clears box clusters during stun windows. Unlocked free by beating Death Mode — the ultimate F2P endgame goal. After unlock, Upgraded Titan Tesla becomes the best solo farmer in the game.

Upgraded Titan Telescope: Game Pass Power

Robux buyers skip Nightmare suffering with gravity pull that groups enemies for team burst. Excellent survivability compensates for large Titan hitbox on open maps. Worth Game Pass for players who want immediate Tier 3 power without Death Mode grind — but F2P players should still pursue Thunderman and Upgraded Titan Tesla for full completion.

Investment Priority Order

1. Mech Telescope (A-tier foundation — not Tier 3 but mandatory first).
2. Large Tesla Man (A-tier stun before Nightmare).
3. Thunderman (first Tier 3 purchase after Nightmare).
4. Titan Teslaman (if running dedicated Tesla in Death teams).
5. Upgraded Titan Tesla (free from Death clear — prioritize the clear itself).

When NOT to Buy Tier 3 Early

Do not purchase Titan Teslaman before Thunderman unless you main Tesla role exclusively. Do not buy Game Pass Titans before attempting F2P Nightmare — skill development matters more than raw power. Do not skip Large Tesla Man to save for 1,250 Point units — you may never reach Nightmare without stun support.