Barrage: The Leeghwater Project Expansion adds a new faction, the Netherlands, that uses Jan Leeghwater’s expertise in water management, adding even more water to your dams.

The External Works mechanic, a set of powerful tiles that can be obtained from a new action space. With them you’ll be able to perform many actions, but be careful. To unlock the External Works power you’ll need to burn the required amount of Concrete Mixers and Excavators rather than just assign them to the Construction Wheel.

The Personal Building mechanics. You’ll be able to use a combination of five Building tiles, each one with a different, powerful effect that can be activated by your engineers.

Two new Executive Officers designed to enhance the External Works and the Personal Buildings.

Three new Advanced Technology tiles dedicated to the construction of Personal Buildings

Released October 2025

Our stock quantities are allocations, and therefore subject to change.

For the following postcodes please contact us prior to purchase to obtain a shipping quote (AB, BT, HS, IM, IV, KA, KW, PA, PH, TR & ZE).

Dispatch Time

We operate a dynamic stock level system. The items that do not show a stock level are items we can sell as a retailer for those manufacturers. Those items can be back-ordered and we will update you when we have the items in our warehouse ready to ship.

If all your ordered items are in stock we will aim to dispatch your order within 1 working day of receiving your order and will send email confirmation to let you know when it has left us. If any of your ordered items are out of stock we will order them from our supplier at the earliest opportunity, this is usually on a Monday morning. The majority of orders from our suppliers arrive on Thursday or Friday of the same week and we will aim to ship your order out to you within 24 hours of the supplier delivery arriving with us.

If any of your items are on ‘back-order’ then we will attempt to order a resupply. If the items on your order remain out of stock for 2 weeks then we will contact you with some options to refund or wait for a resupply. If you wish alternative arrangements to be made then please contact us at your earliest opportunity after placing your order on our website.

If you are unsure about any part of our delivery policy or have specific delivery requirements, then please get in touch via email so we can help you with your order.

postage types and delivery times

Our chosen standard postage service is Royal Mail Tracked 48 with a deliver aim of 2 to 3 days (excl. Sundays). For orders over £125 in value we may choose to send your order by a Courier and a signature will be required. If you would like your order shipped in multiple packages you will need to contact us to pay additional postage.

Rest of the World

We do not take orders via our website for delivery outside of the UK.

Weight limits

Our flat rates are so reasonable and our prices are so low that we cannot cover the additional cost of shipping for heavy orders. In the UK the weight limit is 30kg.

If you change your mind and wish to return an item, you will have 14 days to inform us of this decision, and 60 days to complete the return. Upon the return of the item, we will provide you with a full refund. Please note that if the item you return is not faulty, a return & restocking fee (£5) will be deducted from your refund. If the value of your return is over £100 we require you to use your own returns method.

If your order is damaged or you have received an incorrect item, you will also have 14 days from receiving your order in which to inspect any goods and inform us of this error, and a further 60 days to return the order for a replacement or a full refund. Please note, requests for replacements are dependent upon our stock levels at that time, however if we cannot fulfil a replacement, you will be provided with a full refund.

Please return to the following address:
Triple Helix Wargames
Unit 10 The Brunel Centre,
Cory Way, West Wilts Trading Estate,
Westbury, Wiltshire,
BA13 4QT

If you change your mind and wish to return an item, you will also have 14 days to inform us of this decision, and 60 days to complete the return. Upon the return of the item, we will provide you with a full refund. Please note that if the item you return is not faulty, a return & restocking fee (£2) will be deducted from your refund. If the value of your return is over £100 we require you to use your own returns method.

Once the item has been received and checked we will issue the refund. Refunds will be processed by the original payment method. If you paid by card, it can take up to 5 working days to appear back in your account; with PayPal, refunds can take up to 30 days.