well, i know it is not very good, but please don't critisise( correct me if i mispelled) me so much to a point where its utterly useless
Deck Total-40

Monsters- 20

2x Caius The Shadow Monarch
2x Gren Maju Da Eiza
2x Dimensional Alchemist
1x D.D.M.-Diffrent Dimension Master
3x D.D. Survivor
2x Helios- The Primordial Sun
1x D.D. Warrior
1x D.D. Warrior Lady
1x D.D. Assailant
2x D.D. Scout Plane
1x Samsara Kaiser
1x Exiled Force
1x Banisher Of The Radiance

Spells-12

1x Mystical Space Typhoon
2x Dark Core
2x Reinforcement
2x D.D.R.
2x Lightning Vortex
2x Dimensional Fissure
1x Soul Release
1x D.D. Dynamite
1x Return From The Diffrent Dimension
2x Sakuretsu Armor
1x Torrential Tribute
1x Bottomless Trap Hole
2x Macros Cosmos
Traps-8, sorry about that.
for skyblitz, it was ment to be reinforcement of the army

i give the deck 7 out of 10.

Get rid of Helios, he's a bad topdeck.
Add Soul Absorption. Kills burn decks + massive LP gain
Do you mean Reinforcements? +500 isn't that good for one turn. Use United We Stand or Mage Power.
8/10 if you didn't meant Reinforcements the trap card, 7.5/10 if you did.

Where do I start? This deck has all the core components, its just missing a few details here and there. I've played a DD deck for almost a year and a half now, so I've worked out most of the problems.

First off, D.D Warrior and D.D. Scout plane aren't worth it. They aren't very powerful, and should just be left out. D.D. Assailant and D.D. Warrior Lady are much better.

Second, I think someone already said it, but Helios is terrible. You should never use it. Gren Maju De Eiza is completely superior, so just put 3 copies in your deck.

Next, you should have two DDM's as he is your trump card. I've won more duels with him than I can count.

White Horned Dragon is a great fit for this deck. He is a one sacrifice monster, and by removing 5 magic cards from play, he gets 3700 attack points.

You need 2 Return From the Different Dimension cards because, despite its heavy cost, it is worth it to completly turn the tide of battle.

I would also add another Banisher of the Radiance to help remove cards from play.

I don't completely agree with your choice of staple cards, but that is largely your opinion. The only thing I have to say there is somehow get an United We Stand card. I was lucky enough to get it back when it came out in Labrynth of Nightmares and I've used it ever since.

Here's also my deck list. I'm not say you should use this exactly (actually please don't copy it exactly), but you can use it as a reference.

Monsters-20
2x D.D.M. - Different Dimension Master
1x White-Horned Dragon
1x D.D. Assailant
1x D.D. Warrior Lady
2x Gren Maju Da Eiza
3x D.D. Survivor
2x Bazoo the Soul Eater
1x Dimensional Alchemist
2x Banisher of the Radiance
1x Kycoo the Ghost Destroyer
1x Chaosrider Gustaph
1x Marshmallon
1x Copycat
1x Exiled Force

Magic-7
1x D.D.R.-Different Dimension Reincarnation
1x Soul Release
1x United We Stand
1x Axe of Despair
1x Riryoku
1x Brain Control
1x Lightning Vortex

Traps-13
3x Macro Cosmos
2x Return From the Different Dimension
1x Magic Cylinder
1x Torrential Tribute
1x Wall of Revealing Light
1x Negate Attack
1x Draining Shield
1x Spirit Barrier
1x Karma Cut
1x Cursed Seal of the Forbidden Spell
1x Trap Jammer

I unfortunatly do not have a Mirror Force, or it would be in there. I also have an Elemental Absorber on order, and will add that when I obtain it.

Edit: This isn't critisism, it's constructive advice.